91680880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16141}}^1$

素因数の和:16225

約数の個数: 40

約数和(自身を含む): 216173664

約数和(自身を除く): 124492784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 16141, 32282, 64564, 80705, 129128, 161410, 258256, 322820, 645640, 1146011, 1291280, 2292022, 4584044, 5730055, 9168088, 11460110, 18336176, 22920220, 45840440, 91680880]

約数ペア:

[(1, 91680880), (2, 45840440), (4, 22920220), (5, 18336176), (8, 11460110), (10, 9168088), (16, 5730055), (20, 4584044), (40, 2292022), (71, 1291280), (80, 1146011), (142, 645640), (284, 322820), (355, 258256), (568, 161410), (710, 129128), (1136, 80705), (1420, 64564), (2840, 32282), (5680, 16141)]