87902120

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{13159}}^1$

素因数の和:13337

約数の個数: 32

約数和(自身を含む): 198979200

約数和(自身を除く): 111077080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 13159, 26318, 52636, 65795, 105272, 131590, 263180, 526360, 2197553, 4395106, 8790212, 10987765, 17580424, 21975530, 43951060, 87902120]

約数ペア:

[(1, 87902120), (2, 43951060), (4, 21975530), (5, 17580424), (8, 10987765), (10, 8790212), (20, 4395106), (40, 2197553), (167, 526360), (334, 263180), (668, 131590), (835, 105272), (1336, 65795), (1670, 52636), (3340, 26318), (6680, 13159)]