20120123050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{150769}}^1$

素因数の和:150955

約数の個数: 48

約数和(自身を含む): 39877458840

約数和(自身を除く): 19757335790

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 157, 170, 314, 425, 785, 850, 1570, 2669, 3925, 5338, 7850, 13345, 26690, 66725, 133450, 150769, 301538, 753845, 1507690, 2563073, 3769225, 5126146, 7538450, 12815365, 23670733, 25630730, 47341466, 64076825, 118353665, 128153650, 236707330, 402402461, 591768325, 804804922, 1183536650, 2012012305, 4024024610, 10060061525, 20120123050]

約数ペア:

[(1, 20120123050), (2, 10060061525), (5, 4024024610), (10, 2012012305), (17, 1183536650), (25, 804804922), (34, 591768325), (50, 402402461), (85, 236707330), (157, 128153650), (170, 118353665), (314, 64076825), (425, 47341466), (785, 25630730), (850, 23670733), (1570, 12815365), (2669, 7538450), (3925, 5126146), (5338, 3769225), (7850, 2563073), (13345, 1507690), (26690, 753845), (66725, 301538), (133450, 150769)]