26399480

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4049}}^1$

素因数の和:4223

約数の個数: 32

約数和(自身を含む): 59778000

約数和(自身を除く): 33378520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4049, 6520, 8098, 16196, 20245, 32392, 40490, 80980, 161960, 659987, 1319974, 2639948, 3299935, 5279896, 6599870, 13199740, 26399480]

約数ペア:

[(1, 26399480), (2, 13199740), (4, 6599870), (5, 5279896), (8, 3299935), (10, 2639948), (20, 1319974), (40, 659987), (163, 161960), (326, 80980), (652, 40490), (815, 32392), (1304, 20245), (1630, 16196), (3260, 8098), (4049, 6520)]