4996840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2357}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 11459880

約数和(自身を除く): 6463040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 2357, 4714, 9428, 11785, 18856, 23570, 47140, 94280, 124921, 249842, 499684, 624605, 999368, 1249210, 2498420, 4996840]

約数ペア:

[(1, 4996840), (2, 2498420), (4, 1249210), (5, 999368), (8, 624605), (10, 499684), (20, 249842), (40, 124921), (53, 94280), (106, 47140), (212, 23570), (265, 18856), (424, 11785), (530, 9428), (1060, 4714), (2120, 2357)]