20131177880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{626749}}^1$

素因数の和:626844

約数の個数: 64

約数和(自身を含む): 50089860000

約数和(自身を除く): 29958682120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2920, 3212, 4015, 6424, 8030, 16060, 32120, 626749, 1253498, 2506996, 3133745, 5013992, 6267490, 6894239, 12534980, 13788478, 25069960, 27576956, 34471195, 45752677, 55153912, 68942390, 91505354, 137884780, 183010708, 228763385, 275769560, 366021416, 457526770, 503279447, 915053540, 1006558894, 1830107080, 2013117788, 2516397235, 4026235576, 5032794470, 10065588940, 20131177880]

約数ペア:

[(1, 20131177880), (2, 10065588940), (4, 5032794470), (5, 4026235576), (8, 2516397235), (10, 2013117788), (11, 1830107080), (20, 1006558894), (22, 915053540), (40, 503279447), (44, 457526770), (55, 366021416), (73, 275769560), (88, 228763385), (110, 183010708), (146, 137884780), (220, 91505354), (292, 68942390), (365, 55153912), (440, 45752677), (584, 34471195), (730, 27576956), (803, 25069960), (1460, 13788478), (1606, 12534980), (2920, 6894239), (3212, 6267490), (4015, 5013992), (6424, 3133745), (8030, 2506996), (16060, 1253498), (32120, 626749)]