87038120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167381}}^1$

素因数の和:167405

約数の個数: 32

約数和(自身を含む): 210901320

約数和(自身を除く): 123863200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 167381, 334762, 669524, 836905, 1339048, 1673810, 2175953, 3347620, 4351906, 6695240, 8703812, 10879765, 17407624, 21759530, 43519060, 87038120]

約数ペア:

[(1, 87038120), (2, 43519060), (4, 21759530), (5, 17407624), (8, 10879765), (10, 8703812), (13, 6695240), (20, 4351906), (26, 3347620), (40, 2175953), (52, 1673810), (65, 1339048), (104, 836905), (130, 669524), (260, 334762), (520, 167381)]