25413980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74747}}^1$

素因数の和:74773

約数の個数: 24

約数和(自身を含む): 56509488

約数和(自身を除く): 31095508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 74747, 149494, 298988, 373735, 747470, 1270699, 1494940, 2541398, 5082796, 6353495, 12706990, 25413980]

約数ペア:

[(1, 25413980), (2, 12706990), (4, 6353495), (5, 5082796), (10, 2541398), (17, 1494940), (20, 1270699), (34, 747470), (68, 373735), (85, 298988), (170, 149494), (340, 74747)]