7913750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:522

約数の個数: 40

約数和(自身を含む): 16007376

約数和(自身を除く): 8093626

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 487, 625, 650, 974, 1250, 1625, 2435, 3250, 4870, 6331, 8125, 12175, 12662, 16250, 24350, 31655, 60875, 63310, 121750, 158275, 304375, 316550, 608750, 791375, 1582750, 3956875, 7913750]

約数ペア:

[(1, 7913750), (2, 3956875), (5, 1582750), (10, 791375), (13, 608750), (25, 316550), (26, 304375), (50, 158275), (65, 121750), (125, 63310), (130, 60875), (250, 31655), (325, 24350), (487, 16250), (625, 12662), (650, 12175), (974, 8125), (1250, 6331), (1625, 4870), (2435, 3250)]