26259740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{100999}}^1$

素因数の和:101021

約数の個数: 24

約数和(自身を含む): 59388000

約数和(自身を除く): 33128260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 100999, 201998, 403996, 504995, 1009990, 1312987, 2019980, 2625974, 5251948, 6564935, 13129870, 26259740]

約数ペア:

[(1, 26259740), (2, 13129870), (4, 6564935), (5, 5251948), (10, 2625974), (13, 2019980), (20, 1312987), (26, 1009990), (52, 504995), (65, 403996), (130, 201998), (260, 100999)]