12479380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 27279504

約数和(自身を除く): 14800124

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 193, 212, 244, 265, 305, 386, 530, 610, 772, 965, 1060, 1220, 1930, 3233, 3860, 6466, 10229, 11773, 12932, 16165, 20458, 23546, 32330, 40916, 47092, 51145, 58865, 64660, 102290, 117730, 204580, 235460, 623969, 1247938, 2495876, 3119845, 6239690, 12479380]

約数ペア:

[(1, 12479380), (2, 6239690), (4, 3119845), (5, 2495876), (10, 1247938), (20, 623969), (53, 235460), (61, 204580), (106, 117730), (122, 102290), (193, 64660), (212, 58865), (244, 51145), (265, 47092), (305, 40916), (386, 32330), (530, 23546), (610, 20458), (772, 16165), (965, 12932), (1060, 11773), (1220, 10229), (1930, 6466), (3233, 3860)]