8275280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 21196560

約数和(自身を除く): 12921280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 109, 130, 146, 208, 218, 260, 292, 365, 436, 520, 545, 584, 730, 872, 949, 1040, 1090, 1168, 1417, 1460, 1744, 1898, 2180, 2834, 2920, 3796, 4360, 4745, 5668, 5840, 7085, 7592, 7957, 8720, 9490, 11336, 14170, 15184, 15914, 18980, 22672, 28340, 31828, 37960, 39785, 56680, 63656, 75920, 79570, 103441, 113360, 127312, 159140, 206882, 318280, 413764, 517205, 636560, 827528, 1034410, 1655056, 2068820, 4137640, 8275280]

約数ペア:

[(1, 8275280), (2, 4137640), (4, 2068820), (5, 1655056), (8, 1034410), (10, 827528), (13, 636560), (16, 517205), (20, 413764), (26, 318280), (40, 206882), (52, 159140), (65, 127312), (73, 113360), (80, 103441), (104, 79570), (109, 75920), (130, 63656), (146, 56680), (208, 39785), (218, 37960), (260, 31828), (292, 28340), (365, 22672), (436, 18980), (520, 15914), (545, 15184), (584, 14170), (730, 11336), (872, 9490), (949, 8720), (1040, 7957), (1090, 7592), (1168, 7085), (1417, 5840), (1460, 5668), (1744, 4745), (1898, 4360), (2180, 3796), (2834, 2920)]