118904920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{72503}}^1$

素因数の和:72555

約数の個数: 32

約数和(自身を含む): 274065120

約数和(自身を除く): 155160200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 72503, 145006, 290012, 362515, 580024, 725030, 1450060, 2900120, 2972623, 5945246, 11890492, 14863115, 23780984, 29726230, 59452460, 118904920]

約数ペア:

[(1, 118904920), (2, 59452460), (4, 29726230), (5, 23780984), (8, 14863115), (10, 11890492), (20, 5945246), (40, 2972623), (41, 2900120), (82, 1450060), (164, 725030), (205, 580024), (328, 362515), (410, 290012), (820, 145006), (1640, 72503)]