53120540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2713}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 123107040

約数和(自身を除く): 69986500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2713, 3916, 4895, 5426, 9790, 10852, 13565, 19580, 27130, 29843, 54260, 59686, 119372, 149215, 241457, 298430, 482914, 596860, 965828, 1207285, 2414570, 2656027, 4829140, 5312054, 10624108, 13280135, 26560270, 53120540]

約数ペア:

[(1, 53120540), (2, 26560270), (4, 13280135), (5, 10624108), (10, 5312054), (11, 4829140), (20, 2656027), (22, 2414570), (44, 1207285), (55, 965828), (89, 596860), (110, 482914), (178, 298430), (220, 241457), (356, 149215), (445, 119372), (890, 59686), (979, 54260), (1780, 29843), (1958, 27130), (2713, 19580), (3916, 13565), (4895, 10852), (5426, 9790)]