40047028

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 83664000

約数和(自身を除く): 43616972

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 149, 203, 298, 331, 406, 596, 662, 812, 1043, 1324, 2086, 2317, 4172, 4321, 4634, 8642, 9268, 9599, 17284, 19198, 30247, 38396, 49319, 60494, 67193, 98638, 120988, 134386, 197276, 268772, 345233, 690466, 1380932, 1430251, 2860502, 5721004, 10011757, 20023514, 40047028]

約数ペア:

[(1, 40047028), (2, 20023514), (4, 10011757), (7, 5721004), (14, 2860502), (28, 1430251), (29, 1380932), (58, 690466), (116, 345233), (149, 268772), (203, 197276), (298, 134386), (331, 120988), (406, 98638), (596, 67193), (662, 60494), (812, 49319), (1043, 38396), (1324, 30247), (2086, 19198), (2317, 17284), (4172, 9599), (4321, 9268), (4634, 8642)]