28405360

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2383}}^1$

素因数の和:2545

約数の個数: 40

約数和(自身を含む): 66513600

約数和(自身を除く): 38108240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2383, 2384, 2980, 4766, 5960, 9532, 11915, 11920, 19064, 23830, 38128, 47660, 95320, 190640, 355067, 710134, 1420268, 1775335, 2840536, 3550670, 5681072, 7101340, 14202680, 28405360]

約数ペア:

[(1, 28405360), (2, 14202680), (4, 7101340), (5, 5681072), (8, 3550670), (10, 2840536), (16, 1775335), (20, 1420268), (40, 710134), (80, 355067), (149, 190640), (298, 95320), (596, 47660), (745, 38128), (1192, 23830), (1490, 19064), (2383, 11920), (2384, 11915), (2980, 9532), (4766, 5960)]