28757360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15629}}^1$

素因数の和:15665

約数の個数: 40

約数和(自身を含む): 69772320

約数和(自身を除く): 41014960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15629, 31258, 62516, 78145, 125032, 156290, 250064, 312580, 359467, 625160, 718934, 1250320, 1437868, 1797335, 2875736, 3594670, 5751472, 7189340, 14378680, 28757360]

約数ペア:

[(1, 28757360), (2, 14378680), (4, 7189340), (5, 5751472), (8, 3594670), (10, 2875736), (16, 1797335), (20, 1437868), (23, 1250320), (40, 718934), (46, 625160), (80, 359467), (92, 312580), (115, 250064), (184, 156290), (230, 125032), (368, 78145), (460, 62516), (920, 31258), (1840, 15629)]