15239020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12491}}^1$

素因数の和:12561

約数の個数: 24

約数和(自身を含む): 32529168

約数和(自身を除く): 17290148

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 12491, 24982, 49964, 62455, 124910, 249820, 761951, 1523902, 3047804, 3809755, 7619510, 15239020]

約数ペア:

[(1, 15239020), (2, 7619510), (4, 3809755), (5, 3047804), (10, 1523902), (20, 761951), (61, 249820), (122, 124910), (244, 62455), (305, 49964), (610, 24982), (1220, 12491)]