29125720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 71568000

約数和(自身を除く): 42442280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 709, 790, 1027, 1418, 1580, 2054, 2836, 3160, 3545, 4108, 5135, 5672, 7090, 8216, 9217, 10270, 14180, 18434, 20540, 28360, 36868, 41080, 46085, 56011, 73736, 92170, 112022, 184340, 224044, 280055, 368680, 448088, 560110, 728143, 1120220, 1456286, 2240440, 2912572, 3640715, 5825144, 7281430, 14562860, 29125720]

約数ペア:

[(1, 29125720), (2, 14562860), (4, 7281430), (5, 5825144), (8, 3640715), (10, 2912572), (13, 2240440), (20, 1456286), (26, 1120220), (40, 728143), (52, 560110), (65, 448088), (79, 368680), (104, 280055), (130, 224044), (158, 184340), (260, 112022), (316, 92170), (395, 73736), (520, 56011), (632, 46085), (709, 41080), (790, 36868), (1027, 28360), (1418, 20540), (1580, 18434), (2054, 14180), (2836, 10270), (3160, 9217), (3545, 8216), (4108, 7090), (5135, 5672)]