8955440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 22915200

約数和(自身を除く): 13959760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 109, 130, 158, 208, 218, 260, 316, 395, 436, 520, 545, 632, 790, 872, 1027, 1040, 1090, 1264, 1417, 1580, 1744, 2054, 2180, 2834, 3160, 4108, 4360, 5135, 5668, 6320, 7085, 8216, 8611, 8720, 10270, 11336, 14170, 16432, 17222, 20540, 22672, 28340, 34444, 41080, 43055, 56680, 68888, 82160, 86110, 111943, 113360, 137776, 172220, 223886, 344440, 447772, 559715, 688880, 895544, 1119430, 1791088, 2238860, 4477720, 8955440]

約数ペア:

[(1, 8955440), (2, 4477720), (4, 2238860), (5, 1791088), (8, 1119430), (10, 895544), (13, 688880), (16, 559715), (20, 447772), (26, 344440), (40, 223886), (52, 172220), (65, 137776), (79, 113360), (80, 111943), (104, 86110), (109, 82160), (130, 68888), (158, 56680), (208, 43055), (218, 41080), (260, 34444), (316, 28340), (395, 22672), (436, 20540), (520, 17222), (545, 16432), (632, 14170), (790, 11336), (872, 10270), (1027, 8720), (1040, 8611), (1090, 8216), (1264, 7085), (1417, 6320), (1580, 5668), (1744, 5135), (2054, 4360), (2180, 4108), (2834, 3160)]