201043240

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{7841}}^1$

素因数の和:8493

約数の個数: 32

約数和(自身を含む): 453110760

約数和(自身を除く): 252067520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 7841, 12820, 15682, 25640, 31364, 39205, 62728, 78410, 156820, 313640, 5026081, 10052162, 20104324, 25130405, 40208648, 50260810, 100521620, 201043240]

約数ペア:

[(1, 201043240), (2, 100521620), (4, 50260810), (5, 40208648), (8, 25130405), (10, 20104324), (20, 10052162), (40, 5026081), (641, 313640), (1282, 156820), (2564, 78410), (3205, 62728), (5128, 39205), (6410, 31364), (7841, 25640), (12820, 15682)]