4927840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1655

約数の個数: 48

約数和(自身を含む): 12262320

約数和(自身を除く): 7334480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 1621, 3040, 3242, 6484, 8105, 12968, 16210, 25936, 30799, 32420, 51872, 61598, 64840, 123196, 129680, 153995, 246392, 259360, 307990, 492784, 615980, 985568, 1231960, 2463920, 4927840]

約数ペア:

[(1, 4927840), (2, 2463920), (4, 1231960), (5, 985568), (8, 615980), (10, 492784), (16, 307990), (19, 259360), (20, 246392), (32, 153995), (38, 129680), (40, 123196), (76, 64840), (80, 61598), (95, 51872), (152, 32420), (160, 30799), (190, 25936), (304, 16210), (380, 12968), (608, 8105), (760, 6484), (1520, 3242), (1621, 3040)]