25347980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 61130496

約数和(自身を除く): 35782516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 547, 662, 1094, 1324, 1655, 2188, 2317, 2735, 3310, 3829, 4634, 5470, 6620, 7658, 9268, 10940, 11585, 15316, 19145, 23170, 38290, 46340, 76580, 181057, 362114, 724228, 905285, 1267399, 1810570, 2534798, 3621140, 5069596, 6336995, 12673990, 25347980]

約数ペア:

[(1, 25347980), (2, 12673990), (4, 6336995), (5, 5069596), (7, 3621140), (10, 2534798), (14, 1810570), (20, 1267399), (28, 905285), (35, 724228), (70, 362114), (140, 181057), (331, 76580), (547, 46340), (662, 38290), (1094, 23170), (1324, 19145), (1655, 15316), (2188, 11585), (2317, 10940), (2735, 9268), (3310, 7658), (3829, 6620), (4634, 5470)]