12926875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 40

約数和(自身を含む): 18281648

約数和(自身を除く): 5354773

約数列:

[1, 5, 13, 25, 37, 43, 65, 125, 185, 215, 325, 481, 559, 625, 925, 1075, 1591, 1625, 2405, 2795, 4625, 5375, 7955, 8125, 12025, 13975, 20683, 23125, 26875, 39775, 60125, 69875, 103415, 198875, 300625, 349375, 517075, 994375, 2585375, 12926875]

約数ペア:

[(1, 12926875), (5, 2585375), (13, 994375), (25, 517075), (37, 349375), (43, 300625), (65, 198875), (125, 103415), (185, 69875), (215, 60125), (325, 39775), (481, 26875), (559, 23125), (625, 20683), (925, 13975), (1075, 12025), (1591, 8125), (1625, 7955), (2405, 5375), (2795, 4625)]