120408440

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{16631}}^1$

素因数の和:16823

約数の個数: 32

約数和(自身を含む): 272432160

約数和(自身を除く): 152023720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 16631, 33262, 66524, 83155, 133048, 166310, 332620, 665240, 3010211, 6020422, 12040844, 15051055, 24081688, 30102110, 60204220, 120408440]

約数ペア:

[(1, 120408440), (2, 60204220), (4, 30102110), (5, 24081688), (8, 15051055), (10, 12040844), (20, 6020422), (40, 3010211), (181, 665240), (362, 332620), (724, 166310), (905, 133048), (1448, 83155), (1810, 66524), (3620, 33262), (7240, 16631)]