88781320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16943}}^1$

素因数の和:17085

約数の個数: 32

約数和(自身を含む): 201294720

約数和(自身を除く): 112513400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 16943, 33886, 67772, 84715, 135544, 169430, 338860, 677720, 2219533, 4439066, 8878132, 11097665, 17756264, 22195330, 44390660, 88781320]

約数ペア:

[(1, 88781320), (2, 44390660), (4, 22195330), (5, 17756264), (8, 11097665), (10, 8878132), (20, 4439066), (40, 2219533), (131, 677720), (262, 338860), (524, 169430), (655, 135544), (1048, 84715), (1310, 67772), (2620, 33886), (5240, 16943)]