416259640

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{10501}}^1$

素因数の和:11503

約数の個数: 32

約数和(自身を含む): 937618560

約数和(自身を除く): 521358920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 7928, 9910, 10501, 19820, 21002, 39640, 42004, 52505, 84008, 105010, 210020, 420040, 10406491, 20812982, 41625964, 52032455, 83251928, 104064910, 208129820, 416259640]

約数ペア:

[(1, 416259640), (2, 208129820), (4, 104064910), (5, 83251928), (8, 52032455), (10, 41625964), (20, 20812982), (40, 10406491), (991, 420040), (1982, 210020), (3964, 105010), (4955, 84008), (7928, 52505), (9910, 42004), (10501, 39640), (19820, 21002)]