80838680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1873}}^1$

素因数の和:1980

約数の個数: 64

約数和(自身を含む): 198344160

約数和(自身を除く): 117505480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1660, 1873, 2158, 3320, 3746, 4316, 5395, 7492, 8632, 9365, 10790, 14984, 18730, 21580, 24349, 37460, 43160, 48698, 74920, 97396, 121745, 155459, 194792, 243490, 310918, 486980, 621836, 777295, 973960, 1243672, 1554590, 2020967, 3109180, 4041934, 6218360, 8083868, 10104835, 16167736, 20209670, 40419340, 80838680]

約数ペア:

[(1, 80838680), (2, 40419340), (4, 20209670), (5, 16167736), (8, 10104835), (10, 8083868), (13, 6218360), (20, 4041934), (26, 3109180), (40, 2020967), (52, 1554590), (65, 1243672), (83, 973960), (104, 777295), (130, 621836), (166, 486980), (260, 310918), (332, 243490), (415, 194792), (520, 155459), (664, 121745), (830, 97396), (1079, 74920), (1660, 48698), (1873, 43160), (2158, 37460), (3320, 24349), (3746, 21580), (4316, 18730), (5395, 14984), (7492, 10790), (8632, 9365)]