56761640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6421}}^1$

素因数の和:6462

約数の個数: 64

約数和(自身を含む): 145650960

約数和(自身を除く): 88889320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 6421, 8840, 12842, 25684, 32105, 51368, 64210, 83473, 109157, 128420, 166946, 218314, 256840, 333892, 417365, 436628, 545785, 667784, 834730, 873256, 1091570, 1419041, 1669460, 2183140, 2838082, 3338920, 4366280, 5676164, 7095205, 11352328, 14190410, 28380820, 56761640]

約数ペア:

[(1, 56761640), (2, 28380820), (4, 14190410), (5, 11352328), (8, 7095205), (10, 5676164), (13, 4366280), (17, 3338920), (20, 2838082), (26, 2183140), (34, 1669460), (40, 1419041), (52, 1091570), (65, 873256), (68, 834730), (85, 667784), (104, 545785), (130, 436628), (136, 417365), (170, 333892), (221, 256840), (260, 218314), (340, 166946), (442, 128420), (520, 109157), (680, 83473), (884, 64210), (1105, 51368), (1768, 32105), (2210, 25684), (4420, 12842), (6421, 8840)]