86911240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 211624560

約数和(自身を除く): 124713320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 397, 421, 520, 794, 842, 1588, 1684, 1985, 2105, 3176, 3368, 3970, 4210, 5161, 5473, 7940, 8420, 10322, 10946, 15880, 16840, 20644, 21892, 25805, 27365, 41288, 43784, 51610, 54730, 103220, 109460, 167137, 206440, 218920, 334274, 668548, 835685, 1337096, 1671370, 2172781, 3342740, 4345562, 6685480, 8691124, 10863905, 17382248, 21727810, 43455620, 86911240]

約数ペア:

[(1, 86911240), (2, 43455620), (4, 21727810), (5, 17382248), (8, 10863905), (10, 8691124), (13, 6685480), (20, 4345562), (26, 3342740), (40, 2172781), (52, 1671370), (65, 1337096), (104, 835685), (130, 668548), (260, 334274), (397, 218920), (421, 206440), (520, 167137), (794, 109460), (842, 103220), (1588, 54730), (1684, 51610), (1985, 43784), (2105, 41288), (3176, 27365), (3368, 25805), (3970, 21892), (4210, 20644), (5161, 16840), (5473, 15880), (7940, 10946), (8420, 10322)]