1295380

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 2741760

約数和(自身を除く): 1446380

約数列:

[1, 2, 4, 5, 10, 20, 239, 271, 478, 542, 956, 1084, 1195, 1355, 2390, 2710, 4780, 5420, 64769, 129538, 259076, 323845, 647690, 1295380]

約数ペア:

[(1, 1295380), (2, 647690), (4, 323845), (5, 259076), (10, 129538), (20, 64769), (239, 5420), (271, 4780), (478, 2710), (542, 2390), (956, 1355), (1084, 1195)]