25117960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 65260800

約数和(自身を除く): 40142840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 823, 872, 1090, 1526, 1646, 2180, 3052, 3292, 3815, 4115, 4360, 5761, 6104, 6584, 7630, 8230, 11522, 15260, 16460, 23044, 28805, 30520, 32920, 46088, 57610, 89707, 115220, 179414, 230440, 358828, 448535, 627949, 717656, 897070, 1255898, 1794140, 2511796, 3139745, 3588280, 5023592, 6279490, 12558980, 25117960]

約数ペア:

[(1, 25117960), (2, 12558980), (4, 6279490), (5, 5023592), (7, 3588280), (8, 3139745), (10, 2511796), (14, 1794140), (20, 1255898), (28, 897070), (35, 717656), (40, 627949), (56, 448535), (70, 358828), (109, 230440), (140, 179414), (218, 115220), (280, 89707), (436, 57610), (545, 46088), (763, 32920), (823, 30520), (872, 28805), (1090, 23044), (1526, 16460), (1646, 15260), (2180, 11522), (3052, 8230), (3292, 7630), (3815, 6584), (4115, 6104), (4360, 5761)]