20171864050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{99149}}^1$

素因数の和:99487

約数の個数: 48

約数和(自身を含む): 40535296200

約数和(自身を除く): 20363432150

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 313, 325, 626, 650, 1565, 3130, 4069, 7825, 8138, 15650, 20345, 40690, 99149, 101725, 198298, 203450, 495745, 991490, 1288937, 2478725, 2577874, 4957450, 6444685, 12889370, 31033637, 32223425, 62067274, 64446850, 155168185, 310336370, 403437281, 775840925, 806874562, 1551681850, 2017186405, 4034372810, 10085932025, 20171864050]

約数ペア:

[(1, 20171864050), (2, 10085932025), (5, 4034372810), (10, 2017186405), (13, 1551681850), (25, 806874562), (26, 775840925), (50, 403437281), (65, 310336370), (130, 155168185), (313, 64446850), (325, 62067274), (626, 32223425), (650, 31033637), (1565, 12889370), (3130, 6444685), (4069, 4957450), (7825, 2577874), (8138, 2478725), (15650, 1288937), (20345, 991490), (40690, 495745), (99149, 203450), (101725, 198298)]