42560920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17443}}^1$

素因数の和:17515

約数の個数: 32

約数和(自身を含む): 97337520

約数和(自身を除く): 54776600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 17443, 34886, 69772, 87215, 139544, 174430, 348860, 697720, 1064023, 2128046, 4256092, 5320115, 8512184, 10640230, 21280460, 42560920]

約数ペア:

[(1, 42560920), (2, 21280460), (4, 10640230), (5, 8512184), (8, 5320115), (10, 4256092), (20, 2128046), (40, 1064023), (61, 697720), (122, 348860), (244, 174430), (305, 139544), (488, 87215), (610, 69772), (1220, 34886), (2440, 17443)]