1617502640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1555291}}^1$

素因数の和:1555317

約数の個数: 40

約数和(自身を含む): 4049980368

約数和(自身を除く): 2432477728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1555291, 3110582, 6221164, 7776455, 12442328, 15552910, 20218783, 24884656, 31105820, 40437566, 62211640, 80875132, 101093915, 124423280, 161750264, 202187830, 323500528, 404375660, 808751320, 1617502640]

約数ペア:

[(1, 1617502640), (2, 808751320), (4, 404375660), (5, 323500528), (8, 202187830), (10, 161750264), (13, 124423280), (16, 101093915), (20, 80875132), (26, 62211640), (40, 40437566), (52, 31105820), (65, 24884656), (80, 20218783), (104, 15552910), (130, 12442328), (208, 7776455), (260, 6221164), (520, 3110582), (1040, 1555291)]