25574560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1321}}^1$

素因数の和:1358

約数の個数: 72

約数和(自身を含む): 66462228

約数和(自身を除く): 40887668

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1321, 1760, 1936, 2420, 2642, 3872, 4840, 5284, 6605, 9680, 10568, 13210, 14531, 19360, 21136, 26420, 29062, 42272, 52840, 58124, 72655, 105680, 116248, 145310, 159841, 211360, 232496, 290620, 319682, 464992, 581240, 639364, 799205, 1162480, 1278728, 1598410, 2324960, 2557456, 3196820, 5114912, 6393640, 12787280, 25574560]

約数ペア:

[(1, 25574560), (2, 12787280), (4, 6393640), (5, 5114912), (8, 3196820), (10, 2557456), (11, 2324960), (16, 1598410), (20, 1278728), (22, 1162480), (32, 799205), (40, 639364), (44, 581240), (55, 464992), (80, 319682), (88, 290620), (110, 232496), (121, 211360), (160, 159841), (176, 145310), (220, 116248), (242, 105680), (352, 72655), (440, 58124), (484, 52840), (605, 42272), (880, 29062), (968, 26420), (1210, 21136), (1321, 19360), (1760, 14531), (1936, 13210), (2420, 10568), (2642, 9680), (3872, 6605), (4840, 5284)]