2010020440

素因数分解:

$2^3\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{25163}}^1$

素因数の和:27171

約数の個数: 32

約数和(自身を含む): 4524990480

約数和(自身を除く): 2514970040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1997, 3994, 7988, 9985, 15976, 19970, 25163, 39940, 50326, 79880, 100652, 125815, 201304, 251630, 503260, 1006520, 50250511, 100501022, 201002044, 251252555, 402004088, 502505110, 1005010220, 2010020440]

約数ペア:

[(1, 2010020440), (2, 1005010220), (4, 502505110), (5, 402004088), (8, 251252555), (10, 201002044), (20, 100501022), (40, 50250511), (1997, 1006520), (3994, 503260), (7988, 251630), (9985, 201304), (15976, 125815), (19970, 100652), (25163, 79880), (39940, 50326)]