71664520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{105389}}^1$

素因数の和:105417

約数の個数: 32

約数和(自身を含む): 170731800

約数和(自身を除く): 99067280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 105389, 210778, 421556, 526945, 843112, 1053890, 1791613, 2107780, 3583226, 4215560, 7166452, 8958065, 14332904, 17916130, 35832260, 71664520]

約数ペア:

[(1, 71664520), (2, 35832260), (4, 17916130), (5, 14332904), (8, 8958065), (10, 7166452), (17, 4215560), (20, 3583226), (34, 2107780), (40, 1791613), (68, 1053890), (85, 843112), (136, 526945), (170, 421556), (340, 210778), (680, 105389)]