19751903680

素因数分解:

$2^6\times 5^1\times {\mathrm{61724699}}^1$

素因数の和:61724716

約数の個数: 28

約数和(自身を含む): 47034221400

約数和(自身を除く): 27282317720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 61724699, 123449398, 246898796, 308623495, 493797592, 617246990, 987595184, 1234493980, 1975190368, 2468987960, 3950380736, 4937975920, 9875951840, 19751903680]

約数ペア:

[(1, 19751903680), (2, 9875951840), (4, 4937975920), (5, 3950380736), (8, 2468987960), (10, 1975190368), (16, 1234493980), (20, 987595184), (32, 617246990), (40, 493797592), (64, 308623495), (80, 246898796), (160, 123449398), (320, 61724699)]