80197000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 209664000

約数和(自身を除く): 129467000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 125, 130, 155, 199, 200, 248, 250, 260, 310, 325, 398, 403, 500, 520, 620, 650, 775, 796, 806, 995, 1000, 1240, 1300, 1550, 1592, 1612, 1625, 1990, 2015, 2587, 2600, 3100, 3224, 3250, 3875, 3980, 4030, 4975, 5174, 6169, 6200, 6500, 7750, 7960, 8060, 9950, 10075, 10348, 12338, 12935, 13000, 15500, 16120, 19900, 20150, 20696, 24676, 24875, 25870, 30845, 31000, 39800, 40300, 49352, 49750, 50375, 51740, 61690, 64675, 80197, 80600, 99500, 100750, 103480, 123380, 129350, 154225, 160394, 199000, 201500, 246760, 258700, 308450, 320788, 323375, 400985, 403000, 517400, 616900, 641576, 646750, 771125, 801970, 1233800, 1293500, 1542250, 1603940, 2004925, 2587000, 3084500, 3207880, 4009850, 6169000, 8019700, 10024625, 16039400, 20049250, 40098500, 80197000]

約数ペア:

[(1, 80197000), (2, 40098500), (4, 20049250), (5, 16039400), (8, 10024625), (10, 8019700), (13, 6169000), (20, 4009850), (25, 3207880), (26, 3084500), (31, 2587000), (40, 2004925), (50, 1603940), (52, 1542250), (62, 1293500), (65, 1233800), (100, 801970), (104, 771125), (124, 646750), (125, 641576), (130, 616900), (155, 517400), (199, 403000), (200, 400985), (248, 323375), (250, 320788), (260, 308450), (310, 258700), (325, 246760), (398, 201500), (403, 199000), (500, 160394), (520, 154225), (620, 129350), (650, 123380), (775, 103480), (796, 100750), (806, 99500), (995, 80600), (1000, 80197), (1240, 64675), (1300, 61690), (1550, 51740), (1592, 50375), (1612, 49750), (1625, 49352), (1990, 40300), (2015, 39800), (2587, 31000), (2600, 30845), (3100, 25870), (3224, 24875), (3250, 24676), (3875, 20696), (3980, 20150), (4030, 19900), (4975, 16120), (5174, 15500), (6169, 13000), (6200, 12935), (6500, 12338), (7750, 10348), (7960, 10075), (8060, 9950)]