52758280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 123770880

約数和(自身を除く): 71012600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 271, 310, 314, 542, 620, 628, 785, 1084, 1240, 1256, 1355, 1570, 2168, 2710, 3140, 4867, 5420, 6280, 8401, 9734, 10840, 16802, 19468, 24335, 33604, 38936, 42005, 42547, 48670, 67208, 84010, 85094, 97340, 168020, 170188, 194680, 212735, 336040, 340376, 425470, 850940, 1318957, 1701880, 2637914, 5275828, 6594785, 10551656, 13189570, 26379140, 52758280]

約数ペア:

[(1, 52758280), (2, 26379140), (4, 13189570), (5, 10551656), (8, 6594785), (10, 5275828), (20, 2637914), (31, 1701880), (40, 1318957), (62, 850940), (124, 425470), (155, 340376), (157, 336040), (248, 212735), (271, 194680), (310, 170188), (314, 168020), (542, 97340), (620, 85094), (628, 84010), (785, 67208), (1084, 48670), (1240, 42547), (1256, 42005), (1355, 38936), (1570, 33604), (2168, 24335), (2710, 19468), (3140, 16802), (4867, 10840), (5420, 9734), (6280, 8401)]