20853870050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{118387}}^1$

素因数の和:118683

約数の個数: 48

約数和(自身を含む): 41926399872

約数和(自身を除く): 21072529822

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 271, 325, 542, 650, 1355, 2710, 3523, 6775, 7046, 13550, 17615, 35230, 88075, 118387, 176150, 236774, 591935, 1183870, 1539031, 2959675, 3078062, 5919350, 7695155, 15390310, 32082877, 38475775, 64165754, 76951550, 160414385, 320828770, 417077401, 802071925, 834154802, 1604143850, 2085387005, 4170774010, 10426935025, 20853870050]

約数ペア:

[(1, 20853870050), (2, 10426935025), (5, 4170774010), (10, 2085387005), (13, 1604143850), (25, 834154802), (26, 802071925), (50, 417077401), (65, 320828770), (130, 160414385), (271, 76951550), (325, 64165754), (542, 38475775), (650, 32082877), (1355, 15390310), (2710, 7695155), (3523, 5919350), (6775, 3078062), (7046, 2959675), (13550, 1539031), (17615, 1183870), (35230, 591935), (88075, 236774), (118387, 176150)]