40210120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 94186800

約数和(自身を除く): 53976680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 101, 148, 185, 202, 269, 296, 370, 404, 505, 538, 740, 808, 1010, 1076, 1345, 1480, 2020, 2152, 2690, 3737, 4040, 5380, 7474, 9953, 10760, 14948, 18685, 19906, 27169, 29896, 37370, 39812, 49765, 54338, 74740, 79624, 99530, 108676, 135845, 149480, 199060, 217352, 271690, 398120, 543380, 1005253, 1086760, 2010506, 4021012, 5026265, 8042024, 10052530, 20105060, 40210120]

約数ペア:

[(1, 40210120), (2, 20105060), (4, 10052530), (5, 8042024), (8, 5026265), (10, 4021012), (20, 2010506), (37, 1086760), (40, 1005253), (74, 543380), (101, 398120), (148, 271690), (185, 217352), (202, 199060), (269, 149480), (296, 135845), (370, 108676), (404, 99530), (505, 79624), (538, 74740), (740, 54338), (808, 49765), (1010, 39812), (1076, 37370), (1345, 29896), (1480, 27169), (2020, 19906), (2152, 18685), (2690, 14948), (3737, 10760), (4040, 9953), (5380, 7474)]