29727760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11987}}^1$

素因数の和:12031

約数の個数: 40

約数和(自身を含む): 71352576

約数和(自身を除く): 41624816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11987, 23974, 47948, 59935, 95896, 119870, 191792, 239740, 371597, 479480, 743194, 958960, 1486388, 1857985, 2972776, 3715970, 5945552, 7431940, 14863880, 29727760]

約数ペア:

[(1, 29727760), (2, 14863880), (4, 7431940), (5, 5945552), (8, 3715970), (10, 2972776), (16, 1857985), (20, 1486388), (31, 958960), (40, 743194), (62, 479480), (80, 371597), (124, 239740), (155, 191792), (248, 119870), (310, 95896), (496, 59935), (620, 47948), (1240, 23974), (2480, 11987)]