71143280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1114

約数の個数: 80

約数和(自身を含む): 180967584

約数和(自身を除く): 109824304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1021, 1040, 1072, 1340, 1742, 2042, 2680, 3484, 4084, 4355, 5105, 5360, 6968, 8168, 8710, 10210, 13273, 13936, 16336, 17420, 20420, 26546, 34840, 40840, 53092, 66365, 68407, 69680, 81680, 106184, 132730, 136814, 212368, 265460, 273628, 342035, 530920, 547256, 684070, 889291, 1061840, 1094512, 1368140, 1778582, 2736280, 3557164, 4446455, 5472560, 7114328, 8892910, 14228656, 17785820, 35571640, 71143280]

約数ペア:

[(1, 71143280), (2, 35571640), (4, 17785820), (5, 14228656), (8, 8892910), (10, 7114328), (13, 5472560), (16, 4446455), (20, 3557164), (26, 2736280), (40, 1778582), (52, 1368140), (65, 1094512), (67, 1061840), (80, 889291), (104, 684070), (130, 547256), (134, 530920), (208, 342035), (260, 273628), (268, 265460), (335, 212368), (520, 136814), (536, 132730), (670, 106184), (871, 81680), (1021, 69680), (1040, 68407), (1072, 66365), (1340, 53092), (1742, 40840), (2042, 34840), (2680, 26546), (3484, 20420), (4084, 17420), (4355, 16336), (5105, 13936), (5360, 13273), (6968, 10210), (8168, 8710)]