38942800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7489}}^1$

素因数の和:7520

約数の個数: 60

約数和(自身を含む): 100770460

約数和(自身を除く): 61827660

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 7489, 14978, 29956, 37445, 59912, 74890, 97357, 119824, 149780, 187225, 194714, 299560, 374450, 389428, 486785, 599120, 748900, 778856, 973570, 1497800, 1557712, 1947140, 2433925, 2995600, 3894280, 4867850, 7788560, 9735700, 19471400, 38942800]

約数ペア:

[(1, 38942800), (2, 19471400), (4, 9735700), (5, 7788560), (8, 4867850), (10, 3894280), (13, 2995600), (16, 2433925), (20, 1947140), (25, 1557712), (26, 1497800), (40, 973570), (50, 778856), (52, 748900), (65, 599120), (80, 486785), (100, 389428), (104, 374450), (130, 299560), (200, 194714), (208, 187225), (260, 149780), (325, 119824), (400, 97357), (520, 74890), (650, 59912), (1040, 37445), (1300, 29956), (2600, 14978), (5200, 7489)]