28360880

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1471}}^1$

素因数の和:1725

約数の個数: 40

約数和(自身を含む): 66257664

約数和(自身を除く): 37896784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1471, 1928, 2410, 2942, 3856, 4820, 5884, 7355, 9640, 11768, 14710, 19280, 23536, 29420, 58840, 117680, 354511, 709022, 1418044, 1772555, 2836088, 3545110, 5672176, 7090220, 14180440, 28360880]

約数ペア:

[(1, 28360880), (2, 14180440), (4, 7090220), (5, 5672176), (8, 3545110), (10, 2836088), (16, 1772555), (20, 1418044), (40, 709022), (80, 354511), (241, 117680), (482, 58840), (964, 29420), (1205, 23536), (1471, 19280), (1928, 14710), (2410, 11768), (2942, 9640), (3856, 7355), (4820, 5884)]