56905120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20921}}^1$

素因数の和:20953

約数の個数: 48

約数和(自身を含む): 142353288

約数和(自身を除く): 85448168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20921, 41842, 83684, 104605, 167368, 209210, 334736, 355657, 418420, 669472, 711314, 836840, 1422628, 1673680, 1778285, 2845256, 3347360, 3556570, 5690512, 7113140, 11381024, 14226280, 28452560, 56905120]

約数ペア:

[(1, 56905120), (2, 28452560), (4, 14226280), (5, 11381024), (8, 7113140), (10, 5690512), (16, 3556570), (17, 3347360), (20, 2845256), (32, 1778285), (34, 1673680), (40, 1422628), (68, 836840), (80, 711314), (85, 669472), (136, 418420), (160, 355657), (170, 334736), (272, 209210), (340, 167368), (544, 104605), (680, 83684), (1360, 41842), (2720, 20921)]