2885686520

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1\times {\mathrm{1031}}^1$

素因数の和:1628

約数の個数: 64

約数和(自身を含む): 6553612800

約数和(自身を除く): 3667926280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 419, 668, 835, 838, 1031, 1336, 1670, 1676, 2062, 2095, 3340, 3352, 4124, 4190, 5155, 6680, 8248, 8380, 10310, 16760, 20620, 41240, 69973, 139946, 172177, 279892, 344354, 349865, 431989, 559784, 688708, 699730, 860885, 863978, 1377416, 1399460, 1721770, 1727956, 2159945, 2798920, 3443540, 3455912, 4319890, 6887080, 8639780, 17279560, 72142163, 144284326, 288568652, 360710815, 577137304, 721421630, 1442843260, 2885686520]

約数ペア:

[(1, 2885686520), (2, 1442843260), (4, 721421630), (5, 577137304), (8, 360710815), (10, 288568652), (20, 144284326), (40, 72142163), (167, 17279560), (334, 8639780), (419, 6887080), (668, 4319890), (835, 3455912), (838, 3443540), (1031, 2798920), (1336, 2159945), (1670, 1727956), (1676, 1721770), (2062, 1399460), (2095, 1377416), (3340, 863978), (3352, 860885), (4124, 699730), (4190, 688708), (5155, 559784), (6680, 431989), (8248, 349865), (8380, 344354), (10310, 279892), (16760, 172177), (20620, 139946), (41240, 69973)]