25005640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3343}}^1$

素因数の和:3382

約数の個数: 64

約数和(自身を含む): 65007360

約数和(自身を除く): 40001720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3343, 3740, 6686, 7480, 13372, 16715, 26744, 33430, 36773, 56831, 66860, 73546, 113662, 133720, 147092, 183865, 227324, 284155, 294184, 367730, 454648, 568310, 625141, 735460, 1136620, 1250282, 1470920, 2273240, 2500564, 3125705, 5001128, 6251410, 12502820, 25005640]

約数ペア:

[(1, 25005640), (2, 12502820), (4, 6251410), (5, 5001128), (8, 3125705), (10, 2500564), (11, 2273240), (17, 1470920), (20, 1250282), (22, 1136620), (34, 735460), (40, 625141), (44, 568310), (55, 454648), (68, 367730), (85, 294184), (88, 284155), (110, 227324), (136, 183865), (170, 147092), (187, 133720), (220, 113662), (340, 73546), (374, 66860), (440, 56831), (680, 36773), (748, 33430), (935, 26744), (1496, 16715), (1870, 13372), (3343, 7480), (3740, 6686)]