133718680

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20509}}^1$

素因数の和:20683

約数の個数: 32

約数和(自身を含む): 302727600

約数和(自身を除く): 169008920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 20509, 41018, 82036, 102545, 164072, 205090, 410180, 820360, 3342967, 6685934, 13371868, 16714835, 26743736, 33429670, 66859340, 133718680]

約数ペア:

[(1, 133718680), (2, 66859340), (4, 33429670), (5, 26743736), (8, 16714835), (10, 13371868), (20, 6685934), (40, 3342967), (163, 820360), (326, 410180), (652, 205090), (815, 164072), (1304, 102545), (1630, 82036), (3260, 41018), (6520, 20509)]