91771420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{863}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 208293120

約数和(自身を除く): 116521700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 818, 863, 1636, 1726, 2045, 3452, 4090, 4315, 5317, 8180, 8630, 10634, 11219, 17260, 21268, 22438, 26585, 44876, 53170, 56095, 106340, 112190, 224380, 352967, 705934, 1411868, 1764835, 3529670, 4588571, 7059340, 9177142, 18354284, 22942855, 45885710, 91771420]

約数ペア:

[(1, 91771420), (2, 45885710), (4, 22942855), (5, 18354284), (10, 9177142), (13, 7059340), (20, 4588571), (26, 3529670), (52, 1764835), (65, 1411868), (130, 705934), (260, 352967), (409, 224380), (818, 112190), (863, 106340), (1636, 56095), (1726, 53170), (2045, 44876), (3452, 26585), (4090, 22438), (4315, 21268), (5317, 17260), (8180, 11219), (8630, 10634)]