39948125

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 59680896

約数和(自身を除く): 19732771

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 397, 575, 625, 805, 875, 1985, 2779, 2875, 4025, 4375, 9131, 9925, 13895, 14375, 20125, 45655, 49625, 63917, 69475, 100625, 228275, 248125, 319585, 347375, 1141375, 1597925, 1736875, 5706875, 7989625, 39948125]

約数ペア:

[(1, 39948125), (5, 7989625), (7, 5706875), (23, 1736875), (25, 1597925), (35, 1141375), (115, 347375), (125, 319585), (161, 248125), (175, 228275), (397, 100625), (575, 69475), (625, 63917), (805, 49625), (875, 45655), (1985, 20125), (2779, 14375), (2875, 13895), (4025, 9925), (4375, 9131)]