1285458880

素因数分解:

$2^6\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{2851}}^1$

素因数の和:4277

約数の個数: 56

約数和(自身を含む): 3064245840

約数和(自身を除く): 1778786960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1409, 2818, 2851, 5636, 5702, 7045, 11272, 11404, 14090, 14255, 22544, 22808, 28180, 28510, 45088, 45616, 56360, 57020, 90176, 91232, 112720, 114040, 182464, 225440, 228080, 450880, 456160, 912320, 4017059, 8034118, 16068236, 20085295, 32136472, 40170590, 64272944, 80341180, 128545888, 160682360, 257091776, 321364720, 642729440, 1285458880]

約数ペア:

[(1, 1285458880), (2, 642729440), (4, 321364720), (5, 257091776), (8, 160682360), (10, 128545888), (16, 80341180), (20, 64272944), (32, 40170590), (40, 32136472), (64, 20085295), (80, 16068236), (160, 8034118), (320, 4017059), (1409, 912320), (2818, 456160), (2851, 450880), (5636, 228080), (5702, 225440), (7045, 182464), (11272, 114040), (11404, 112720), (14090, 91232), (14255, 90176), (22544, 57020), (22808, 56360), (28180, 45616), (28510, 45088)]