130854520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1031}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 312076800

約数和(自身を除く): 181222280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 668, 760, 835, 1031, 1336, 1670, 2062, 3173, 3340, 4124, 5155, 6346, 6680, 8248, 10310, 12692, 15865, 19589, 20620, 25384, 31730, 39178, 41240, 63460, 78356, 97945, 126920, 156712, 172177, 195890, 344354, 391780, 688708, 783560, 860885, 1377416, 1721770, 3271363, 3443540, 6542726, 6887080, 13085452, 16356815, 26170904, 32713630, 65427260, 130854520]

約数ペア:

[(1, 130854520), (2, 65427260), (4, 32713630), (5, 26170904), (8, 16356815), (10, 13085452), (19, 6887080), (20, 6542726), (38, 3443540), (40, 3271363), (76, 1721770), (95, 1377416), (152, 860885), (167, 783560), (190, 688708), (334, 391780), (380, 344354), (668, 195890), (760, 172177), (835, 156712), (1031, 126920), (1336, 97945), (1670, 78356), (2062, 63460), (3173, 41240), (3340, 39178), (4124, 31730), (5155, 25384), (6346, 20620), (6680, 19589), (8248, 15865), (10310, 12692)]