4477720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 11088000

約数和(自身を除く): 6610280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 109, 130, 158, 218, 260, 316, 395, 436, 520, 545, 632, 790, 872, 1027, 1090, 1417, 1580, 2054, 2180, 2834, 3160, 4108, 4360, 5135, 5668, 7085, 8216, 8611, 10270, 11336, 14170, 17222, 20540, 28340, 34444, 41080, 43055, 56680, 68888, 86110, 111943, 172220, 223886, 344440, 447772, 559715, 895544, 1119430, 2238860, 4477720]

約数ペア:

[(1, 4477720), (2, 2238860), (4, 1119430), (5, 895544), (8, 559715), (10, 447772), (13, 344440), (20, 223886), (26, 172220), (40, 111943), (52, 86110), (65, 68888), (79, 56680), (104, 43055), (109, 41080), (130, 34444), (158, 28340), (218, 20540), (260, 17222), (316, 14170), (395, 11336), (436, 10270), (520, 8611), (545, 8216), (632, 7085), (790, 5668), (872, 5135), (1027, 4360), (1090, 4108), (1417, 3160), (1580, 2834), (2054, 2180)]