15982825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 20998656

約数和(自身を除く): 5015831

約数列:

[1, 5, 25, 31, 41, 155, 205, 503, 775, 1025, 1271, 2515, 6355, 12575, 15593, 20623, 31775, 77965, 103115, 389825, 515575, 639313, 3196565, 15982825]

約数ペア:

[(1, 15982825), (5, 3196565), (25, 639313), (31, 515575), (41, 389825), (155, 103115), (205, 77965), (503, 31775), (775, 20623), (1025, 15593), (1271, 12575), (2515, 6355)]