80211950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 198258144

約数和(自身を除く): 118046194

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 25, 26, 34, 35, 50, 61, 65, 70, 85, 91, 119, 122, 130, 170, 175, 182, 221, 238, 289, 305, 325, 350, 425, 427, 442, 455, 578, 595, 610, 650, 793, 850, 854, 910, 1037, 1105, 1190, 1445, 1525, 1547, 1586, 2023, 2074, 2135, 2210, 2275, 2890, 2975, 3050, 3094, 3757, 3965, 4046, 4270, 4550, 5185, 5525, 5551, 5950, 7225, 7259, 7514, 7735, 7930, 10115, 10370, 10675, 11050, 11102, 13481, 14450, 14518, 15470, 17629, 18785, 19825, 20230, 21350, 25925, 26299, 26962, 27755, 35258, 36295, 37570, 38675, 39650, 50575, 51850, 52598, 55510, 67405, 72590, 77350, 88145, 93925, 94367, 101150, 123403, 131495, 134810, 138775, 176290, 181475, 187850, 188734, 229177, 246806, 262990, 277550, 337025, 362950, 440725, 458354, 471835, 617015, 657475, 674050, 881450, 943670, 1145885, 1234030, 1314950, 1604239, 2291770, 2359175, 3085075, 3208478, 4718350, 5729425, 6170150, 8021195, 11458850, 16042390, 40105975, 80211950]

約数ペア:

[(1, 80211950), (2, 40105975), (5, 16042390), (7, 11458850), (10, 8021195), (13, 6170150), (14, 5729425), (17, 4718350), (25, 3208478), (26, 3085075), (34, 2359175), (35, 2291770), (50, 1604239), (61, 1314950), (65, 1234030), (70, 1145885), (85, 943670), (91, 881450), (119, 674050), (122, 657475), (130, 617015), (170, 471835), (175, 458354), (182, 440725), (221, 362950), (238, 337025), (289, 277550), (305, 262990), (325, 246806), (350, 229177), (425, 188734), (427, 187850), (442, 181475), (455, 176290), (578, 138775), (595, 134810), (610, 131495), (650, 123403), (793, 101150), (850, 94367), (854, 93925), (910, 88145), (1037, 77350), (1105, 72590), (1190, 67405), (1445, 55510), (1525, 52598), (1547, 51850), (1586, 50575), (2023, 39650), (2074, 38675), (2135, 37570), (2210, 36295), (2275, 35258), (2890, 27755), (2975, 26962), (3050, 26299), (3094, 25925), (3757, 21350), (3965, 20230), (4046, 19825), (4270, 18785), (4550, 17629), (5185, 15470), (5525, 14518), (5551, 14450), (5950, 13481), (7225, 11102), (7259, 11050), (7514, 10675), (7735, 10370), (7930, 10115)]