82412720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:862

約数の個数: 80

約数和(自身を含む): 208528320

約数和(自身を除く): 126115600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 727, 872, 1040, 1090, 1417, 1454, 1744, 2180, 2834, 2908, 3635, 4360, 5668, 5816, 7085, 7270, 8720, 9451, 11336, 11632, 14170, 14540, 18902, 22672, 28340, 29080, 37804, 47255, 56680, 58160, 75608, 79243, 94510, 113360, 151216, 158486, 189020, 316972, 378040, 396215, 633944, 756080, 792430, 1030159, 1267888, 1584860, 2060318, 3169720, 4120636, 5150795, 6339440, 8241272, 10301590, 16482544, 20603180, 41206360, 82412720]

約数ペア:

[(1, 82412720), (2, 41206360), (4, 20603180), (5, 16482544), (8, 10301590), (10, 8241272), (13, 6339440), (16, 5150795), (20, 4120636), (26, 3169720), (40, 2060318), (52, 1584860), (65, 1267888), (80, 1030159), (104, 792430), (109, 756080), (130, 633944), (208, 396215), (218, 378040), (260, 316972), (436, 189020), (520, 158486), (545, 151216), (727, 113360), (872, 94510), (1040, 79243), (1090, 75608), (1417, 58160), (1454, 56680), (1744, 47255), (2180, 37804), (2834, 29080), (2908, 28340), (3635, 22672), (4360, 18902), (5668, 14540), (5816, 14170), (7085, 11632), (7270, 11336), (8720, 9451)]