11721920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{5233}}^1$

素因数の和:5257

約数の個数: 56

約数和(自身を含む): 31906464

約数和(自身を除く): 20184544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 5233, 10466, 20932, 26165, 36631, 41864, 52330, 73262, 83728, 104660, 146524, 167456, 183155, 209320, 293048, 334912, 366310, 418640, 586096, 732620, 837280, 1172192, 1465240, 1674560, 2344384, 2930480, 5860960, 11721920]

約数ペア:

[(1, 11721920), (2, 5860960), (4, 2930480), (5, 2344384), (7, 1674560), (8, 1465240), (10, 1172192), (14, 837280), (16, 732620), (20, 586096), (28, 418640), (32, 366310), (35, 334912), (40, 293048), (56, 209320), (64, 183155), (70, 167456), (80, 146524), (112, 104660), (140, 83728), (160, 73262), (224, 52330), (280, 41864), (320, 36631), (448, 26165), (560, 20932), (1120, 10466), (2240, 5233)]