38243360

素因数分解:

$2^5\times 5^1\times {\mathrm{479}}^1\times {\mathrm{499}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 90720000

約数和(自身を除く): 52476640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 479, 499, 958, 998, 1916, 1996, 2395, 2495, 3832, 3992, 4790, 4990, 7664, 7984, 9580, 9980, 15328, 15968, 19160, 19960, 38320, 39920, 76640, 79840, 239021, 478042, 956084, 1195105, 1912168, 2390210, 3824336, 4780420, 7648672, 9560840, 19121680, 38243360]

約数ペア:

[(1, 38243360), (2, 19121680), (4, 9560840), (5, 7648672), (8, 4780420), (10, 3824336), (16, 2390210), (20, 1912168), (32, 1195105), (40, 956084), (80, 478042), (160, 239021), (479, 79840), (499, 76640), (958, 39920), (998, 38320), (1916, 19960), (1996, 19160), (2395, 15968), (2495, 15328), (3832, 9980), (3992, 9580), (4790, 7984), (4990, 7664)]