15561100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2551}}^1$

素因数の和:2626

約数の個数: 36

約数和(自身を含む): 34334608

約数和(自身を除く): 18773508

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 2551, 3050, 5102, 6100, 10204, 12755, 25510, 51020, 63775, 127550, 155611, 255100, 311222, 622444, 778055, 1556110, 3112220, 3890275, 7780550, 15561100]

約数ペア:

[(1, 15561100), (2, 7780550), (4, 3890275), (5, 3112220), (10, 1556110), (20, 778055), (25, 622444), (50, 311222), (61, 255100), (100, 155611), (122, 127550), (244, 63775), (305, 51020), (610, 25510), (1220, 12755), (1525, 10204), (2551, 6100), (3050, 5102)]