65816920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2693}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 162933120

約数和(自身を除く): 97116200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 2693, 3055, 4888, 5386, 6110, 10772, 12220, 13465, 21544, 24440, 26930, 35009, 53860, 70018, 107720, 126571, 140036, 175045, 253142, 280072, 350090, 506284, 632855, 700180, 1012568, 1265710, 1400360, 1645423, 2531420, 3290846, 5062840, 6581692, 8227115, 13163384, 16454230, 32908460, 65816920]

約数ペア:

[(1, 65816920), (2, 32908460), (4, 16454230), (5, 13163384), (8, 8227115), (10, 6581692), (13, 5062840), (20, 3290846), (26, 2531420), (40, 1645423), (47, 1400360), (52, 1265710), (65, 1012568), (94, 700180), (104, 632855), (130, 506284), (188, 350090), (235, 280072), (260, 253142), (376, 175045), (470, 140036), (520, 126571), (611, 107720), (940, 70018), (1222, 53860), (1880, 35009), (2444, 26930), (2693, 24440), (3055, 21544), (4888, 13465), (5386, 12220), (6110, 10772)]