28380250

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 54027792

約数和(自身を除く): 25647542

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 125, 250, 305, 610, 1525, 1861, 3050, 3722, 7625, 9305, 15250, 18610, 46525, 93050, 113521, 227042, 232625, 465250, 567605, 1135210, 2838025, 5676050, 14190125, 28380250]

約数ペア:

[(1, 28380250), (2, 14190125), (5, 5676050), (10, 2838025), (25, 1135210), (50, 567605), (61, 465250), (122, 232625), (125, 227042), (250, 113521), (305, 93050), (610, 46525), (1525, 18610), (1861, 15250), (3050, 9305), (3722, 7625)]