12501440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{5581}}^1$

素因数の和:5605

約数の個数: 56

約数和(自身を含む): 34027872

約数和(自身を除く): 21526432

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, 5581, 11162, 22324, 27905, 39067, 44648, 55810, 78134, 89296, 111620, 156268, 178592, 195335, 223240, 312536, 357184, 390670, 446480, 625072, 781340, 892960, 1250144, 1562680, 1785920, 2500288, 3125360, 6250720, 12501440]

約数ペア:

[(1, 12501440), (2, 6250720), (4, 3125360), (5, 2500288), (7, 1785920), (8, 1562680), (10, 1250144), (14, 892960), (16, 781340), (20, 625072), (28, 446480), (32, 390670), (35, 357184), (40, 312536), (56, 223240), (64, 195335), (70, 178592), (80, 156268), (112, 111620), (140, 89296), (160, 78134), (224, 55810), (280, 44648), (320, 39067), (448, 27905), (560, 22324), (1120, 11162), (2240, 5581)]