20172788000

素因数分解:

$2^5\times 5^3\times {\mathrm{1933}}^1\times {\mathrm{2609}}^1$

素因数の和:4567

約数の個数: 96

約数和(自身を含む): 49609188720

約数和(自身を除く): 29436400720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1933, 2000, 2609, 3866, 4000, 5218, 7732, 9665, 10436, 13045, 15464, 19330, 20872, 26090, 30928, 38660, 41744, 48325, 52180, 61856, 65225, 77320, 83488, 96650, 104360, 130450, 154640, 193300, 208720, 241625, 260900, 309280, 326125, 386600, 417440, 483250, 521800, 652250, 773200, 966500, 1043600, 1304500, 1546400, 1933000, 2087200, 2609000, 3866000, 5043197, 5218000, 7732000, 10086394, 10436000, 20172788, 25215985, 40345576, 50431970, 80691152, 100863940, 126079925, 161382304, 201727880, 252159850, 403455760, 504319700, 630399625, 806911520, 1008639400, 1260799250, 2017278800, 2521598500, 4034557600, 5043197000, 10086394000, 20172788000]

約数ペア:

[(1, 20172788000), (2, 10086394000), (4, 5043197000), (5, 4034557600), (8, 2521598500), (10, 2017278800), (16, 1260799250), (20, 1008639400), (25, 806911520), (32, 630399625), (40, 504319700), (50, 403455760), (80, 252159850), (100, 201727880), (125, 161382304), (160, 126079925), (200, 100863940), (250, 80691152), (400, 50431970), (500, 40345576), (800, 25215985), (1000, 20172788), (1933, 10436000), (2000, 10086394), (2609, 7732000), (3866, 5218000), (4000, 5043197), (5218, 3866000), (7732, 2609000), (9665, 2087200), (10436, 1933000), (13045, 1546400), (15464, 1304500), (19330, 1043600), (20872, 966500), (26090, 773200), (30928, 652250), (38660, 521800), (41744, 483250), (48325, 417440), (52180, 386600), (61856, 326125), (65225, 309280), (77320, 260900), (83488, 241625), (96650, 208720), (104360, 193300), (130450, 154640)]