65893750

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 133210224

約数和(自身を除く): 67316474

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 811, 1250, 1622, 1625, 3125, 3250, 4055, 6250, 8110, 8125, 10543, 16250, 20275, 21086, 40550, 40625, 52715, 81250, 101375, 105430, 202750, 263575, 506875, 527150, 1013750, 1317875, 2534375, 2635750, 5068750, 6589375, 13178750, 32946875, 65893750]

約数ペア:

[(1, 65893750), (2, 32946875), (5, 13178750), (10, 6589375), (13, 5068750), (25, 2635750), (26, 2534375), (50, 1317875), (65, 1013750), (125, 527150), (130, 506875), (250, 263575), (325, 202750), (625, 105430), (650, 101375), (811, 81250), (1250, 52715), (1622, 40625), (1625, 40550), (3125, 21086), (3250, 20275), (4055, 16250), (6250, 10543), (8110, 8125)]