113980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 246960

約数和(自身を除く): 132980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 139, 164, 205, 278, 410, 556, 695, 820, 1390, 2780, 5699, 11398, 22796, 28495, 56990, 113980]

約数ペア:

[(1, 113980), (2, 56990), (4, 28495), (5, 22796), (10, 11398), (20, 5699), (41, 2780), (82, 1390), (139, 820), (164, 695), (205, 556), (278, 410)]