2087683480

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1\times {\mathrm{1039}}^1$

素因数の和:1504

約数の個数: 64

約数和(自身を含む): 4744396800

約数和(自身を除く): 2656713320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 263, 382, 526, 764, 955, 1039, 1052, 1315, 1528, 1910, 2078, 2104, 2630, 3820, 4156, 5195, 5260, 7640, 8312, 10390, 10520, 20780, 41560, 50233, 100466, 198449, 200932, 251165, 273257, 396898, 401864, 502330, 546514, 793796, 992245, 1004660, 1093028, 1366285, 1587592, 1984490, 2009320, 2186056, 2732570, 3968980, 5465140, 7937960, 10930280, 52192087, 104384174, 208768348, 260960435, 417536696, 521920870, 1043841740, 2087683480]

約数ペア:

[(1, 2087683480), (2, 1043841740), (4, 521920870), (5, 417536696), (8, 260960435), (10, 208768348), (20, 104384174), (40, 52192087), (191, 10930280), (263, 7937960), (382, 5465140), (526, 3968980), (764, 2732570), (955, 2186056), (1039, 2009320), (1052, 1984490), (1315, 1587592), (1528, 1366285), (1910, 1093028), (2078, 1004660), (2104, 992245), (2630, 793796), (3820, 546514), (4156, 502330), (5195, 401864), (5260, 396898), (7640, 273257), (8312, 251165), (10390, 200932), (10520, 198449), (20780, 100466), (41560, 50233)]