200040725

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 253108800

約数和(自身を除く): 53068075

約数列:

[1, 5, 25, 71, 251, 355, 449, 1255, 1775, 2245, 6275, 11225, 17821, 31879, 89105, 112699, 159395, 445525, 563495, 796975, 2817475, 8001629, 40008145, 200040725]

約数ペア:

[(1, 200040725), (5, 40008145), (25, 8001629), (71, 2817475), (251, 796975), (355, 563495), (449, 445525), (1255, 159395), (1775, 112699), (2245, 89105), (6275, 31879), (11225, 17821)]