25921875

素因数分解:

$3^1\times 5^6\times 7^1\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 56

約数和(自身を含む): 49999360

約数和(自身を除く): 24077485

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 79, 105, 125, 175, 237, 375, 395, 525, 553, 625, 875, 1185, 1659, 1875, 1975, 2625, 2765, 3125, 4375, 5925, 8295, 9375, 9875, 13125, 13825, 15625, 21875, 29625, 41475, 46875, 49375, 65625, 69125, 109375, 148125, 207375, 246875, 328125, 345625, 740625, 1036875, 1234375, 1728125, 3703125, 5184375, 8640625, 25921875]

約数ペア:

[(1, 25921875), (3, 8640625), (5, 5184375), (7, 3703125), (15, 1728125), (21, 1234375), (25, 1036875), (35, 740625), (75, 345625), (79, 328125), (105, 246875), (125, 207375), (175, 148125), (237, 109375), (375, 69125), (395, 65625), (525, 49375), (553, 46875), (625, 41475), (875, 29625), (1185, 21875), (1659, 15625), (1875, 13825), (1975, 13125), (2625, 9875), (2765, 9375), (3125, 8295), (4375, 5925)]