28331680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 73728144

約数和(自身を除く): 45396464

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 208, 212, 257, 260, 265, 416, 424, 514, 520, 530, 689, 848, 1028, 1040, 1060, 1285, 1378, 1696, 2056, 2080, 2120, 2570, 2756, 3341, 3445, 4112, 4240, 5140, 5512, 6682, 6890, 8224, 8480, 10280, 11024, 13364, 13621, 13780, 16705, 20560, 22048, 26728, 27242, 27560, 33410, 41120, 53456, 54484, 55120, 66820, 68105, 106912, 108968, 110240, 133640, 136210, 177073, 217936, 267280, 272420, 354146, 435872, 534560, 544840, 708292, 885365, 1089680, 1416584, 1770730, 2179360, 2833168, 3541460, 5666336, 7082920, 14165840, 28331680]

約数ペア:

[(1, 28331680), (2, 14165840), (4, 7082920), (5, 5666336), (8, 3541460), (10, 2833168), (13, 2179360), (16, 1770730), (20, 1416584), (26, 1089680), (32, 885365), (40, 708292), (52, 544840), (53, 534560), (65, 435872), (80, 354146), (104, 272420), (106, 267280), (130, 217936), (160, 177073), (208, 136210), (212, 133640), (257, 110240), (260, 108968), (265, 106912), (416, 68105), (424, 66820), (514, 55120), (520, 54484), (530, 53456), (689, 41120), (848, 33410), (1028, 27560), (1040, 27242), (1060, 26728), (1285, 22048), (1378, 20560), (1696, 16705), (2056, 13780), (2080, 13621), (2120, 13364), (2570, 11024), (2756, 10280), (3341, 8480), (3445, 8224), (4112, 6890), (4240, 6682), (5140, 5512)]