51976600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19991}}^1$

素因数の和:20020

約数の個数: 48

約数和(自身を含む): 130147920

約数和(自身を除く): 78171320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 19991, 39982, 79964, 99955, 159928, 199910, 259883, 399820, 499775, 519766, 799640, 999550, 1039532, 1299415, 1999100, 2079064, 2598830, 3998200, 5197660, 6497075, 10395320, 12994150, 25988300, 51976600]

約数ペア:

[(1, 51976600), (2, 25988300), (4, 12994150), (5, 10395320), (8, 6497075), (10, 5197660), (13, 3998200), (20, 2598830), (25, 2079064), (26, 1999100), (40, 1299415), (50, 1039532), (52, 999550), (65, 799640), (100, 519766), (104, 499775), (130, 399820), (200, 259883), (260, 199910), (325, 159928), (520, 99955), (650, 79964), (1300, 39982), (2600, 19991)]