13178750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:846

約数の個数: 40

約数和(自身を含む): 26635224

約数和(自身を除く): 13456474

約数列:

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

約数ペア:

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