61390225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4019}}^1$

素因数の和:4089

約数の個数: 24

約数和(自身を含む): 83744640

約数和(自身を除く): 22354415

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 3055, 4019, 15275, 20095, 52247, 100475, 188893, 261235, 944465, 1306175, 2455609, 4722325, 12278045, 61390225]

約数ペア:

[(1, 61390225), (5, 12278045), (13, 4722325), (25, 2455609), (47, 1306175), (65, 944465), (235, 261235), (325, 188893), (611, 100475), (1175, 52247), (3055, 20095), (4019, 15275)]