12911920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23057}}^1$

素因数の和:23077

約数の個数: 40

約数和(自身を含む): 34310304

約数和(自身を除く): 21398384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 23057, 46114, 92228, 115285, 161399, 184456, 230570, 322798, 368912, 461140, 645596, 806995, 922280, 1291192, 1613990, 1844560, 2582384, 3227980, 6455960, 12911920]

約数ペア:

[(1, 12911920), (2, 6455960), (4, 3227980), (5, 2582384), (7, 1844560), (8, 1613990), (10, 1291192), (14, 922280), (16, 806995), (20, 645596), (28, 461140), (35, 368912), (40, 322798), (56, 230570), (70, 184456), (80, 161399), (112, 115285), (140, 92228), (280, 46114), (560, 23057)]