2017284880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{1553}}^1$

素因数の和:2828

約数の個数: 80

約数和(自身を含む): 5058270000

約数和(自身を除く): 3040985120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1249, 1553, 2498, 3106, 4996, 6212, 6245, 7765, 9992, 12424, 12490, 15530, 16237, 19984, 20189, 24848, 24980, 31060, 32474, 40378, 49960, 62120, 64948, 80756, 81185, 99920, 100945, 124240, 129896, 161512, 162370, 201890, 259792, 323024, 324740, 403780, 649480, 807560, 1298960, 1615120, 1939697, 3879394, 7758788, 9698485, 15517576, 19396970, 25216061, 31035152, 38793940, 50432122, 77587880, 100864244, 126080305, 155175760, 201728488, 252160610, 403456976, 504321220, 1008642440, 2017284880]

約数ペア:

[(1, 2017284880), (2, 1008642440), (4, 504321220), (5, 403456976), (8, 252160610), (10, 201728488), (13, 155175760), (16, 126080305), (20, 100864244), (26, 77587880), (40, 50432122), (52, 38793940), (65, 31035152), (80, 25216061), (104, 19396970), (130, 15517576), (208, 9698485), (260, 7758788), (520, 3879394), (1040, 1939697), (1249, 1615120), (1553, 1298960), (2498, 807560), (3106, 649480), (4996, 403780), (6212, 324740), (6245, 323024), (7765, 259792), (9992, 201890), (12424, 162370), (12490, 161512), (15530, 129896), (16237, 124240), (19984, 100945), (20189, 99920), (24848, 81185), (24980, 80756), (31060, 64948), (32474, 62120), (40378, 49960)]