87416920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 203394240

約数和(自身を除く): 115977320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 151, 164, 205, 302, 328, 353, 410, 604, 706, 755, 820, 1208, 1412, 1510, 1640, 1765, 2824, 3020, 3530, 6040, 6191, 7060, 12382, 14120, 14473, 24764, 28946, 30955, 49528, 53303, 57892, 61910, 72365, 106606, 115784, 123820, 144730, 213212, 247640, 266515, 289460, 426424, 533030, 578920, 1066060, 2132120, 2185423, 4370846, 8741692, 10927115, 17483384, 21854230, 43708460, 87416920]

約数ペア:

[(1, 87416920), (2, 43708460), (4, 21854230), (5, 17483384), (8, 10927115), (10, 8741692), (20, 4370846), (40, 2185423), (41, 2132120), (82, 1066060), (151, 578920), (164, 533030), (205, 426424), (302, 289460), (328, 266515), (353, 247640), (410, 213212), (604, 144730), (706, 123820), (755, 115784), (820, 106606), (1208, 72365), (1412, 61910), (1510, 57892), (1640, 53303), (1765, 49528), (2824, 30955), (3020, 28946), (3530, 24764), (6040, 14473), (6191, 14120), (7060, 12382)]