157408840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2341}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 363173940

約数和(自身を除く): 205765100

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1681, 2341, 3362, 4682, 6724, 8405, 9364, 11705, 13448, 16810, 18728, 23410, 33620, 46820, 67240, 93640, 95981, 191962, 383924, 479905, 767848, 959810, 1919620, 3839240, 3935221, 7870442, 15740884, 19676105, 31481768, 39352210, 78704420, 157408840]

約数ペア:

[(1, 157408840), (2, 78704420), (4, 39352210), (5, 31481768), (8, 19676105), (10, 15740884), (20, 7870442), (40, 3935221), (41, 3839240), (82, 1919620), (164, 959810), (205, 767848), (328, 479905), (410, 383924), (820, 191962), (1640, 95981), (1681, 93640), (2341, 67240), (3362, 46820), (4682, 33620), (6724, 23410), (8405, 18728), (9364, 16810), (11705, 13448)]