156747616040

素因数分解:

$2^3\times 5^1\times {\mathrm{4421}}^1\times {\mathrm{886381}}^1$

素因数の和:890813

約数の個数: 32

約数和(自身を含む): 352762308360

約数和(自身を除く): 196014692320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4421, 8842, 17684, 22105, 35368, 44210, 88420, 176840, 886381, 1772762, 3545524, 4431905, 7091048, 8863810, 17727620, 35455240, 3918690401, 7837380802, 15674761604, 19593452005, 31349523208, 39186904010, 78373808020, 156747616040]

約数ペア:

[(1, 156747616040), (2, 78373808020), (4, 39186904010), (5, 31349523208), (8, 19593452005), (10, 15674761604), (20, 7837380802), (40, 3918690401), (4421, 35455240), (8842, 17727620), (17684, 8863810), (22105, 7091048), (35368, 4431905), (44210, 3545524), (88420, 1772762), (176840, 886381)]