131941280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20113}}^1$

素因数の和:20169

約数の個数: 48

約数和(自身を含む): 319329864

約数和(自身を除く): 187388584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 20113, 40226, 80452, 100565, 160904, 201130, 321808, 402260, 643616, 804520, 824633, 1609040, 1649266, 3218080, 3298532, 4123165, 6597064, 8246330, 13194128, 16492660, 26388256, 32985320, 65970640, 131941280]

約数ペア:

[(1, 131941280), (2, 65970640), (4, 32985320), (5, 26388256), (8, 16492660), (10, 13194128), (16, 8246330), (20, 6597064), (32, 4123165), (40, 3298532), (41, 3218080), (80, 1649266), (82, 1609040), (160, 824633), (164, 804520), (205, 643616), (328, 402260), (410, 321808), (656, 201130), (820, 160904), (1312, 100565), (1640, 80452), (3280, 40226), (6560, 20113)]