56580440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{509}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 146145600

約数和(自身を除く): 89565160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 509, 794, 1018, 1588, 1985, 2036, 2545, 2779, 3176, 3563, 3970, 4072, 5090, 5558, 7126, 7940, 10180, 11116, 13895, 14252, 15880, 17815, 20360, 22232, 27790, 28504, 35630, 55580, 71260, 111160, 142520, 202073, 404146, 808292, 1010365, 1414511, 1616584, 2020730, 2829022, 4041460, 5658044, 7072555, 8082920, 11316088, 14145110, 28290220, 56580440]

約数ペア:

[(1, 56580440), (2, 28290220), (4, 14145110), (5, 11316088), (7, 8082920), (8, 7072555), (10, 5658044), (14, 4041460), (20, 2829022), (28, 2020730), (35, 1616584), (40, 1414511), (56, 1010365), (70, 808292), (140, 404146), (280, 202073), (397, 142520), (509, 111160), (794, 71260), (1018, 55580), (1588, 35630), (1985, 28504), (2036, 27790), (2545, 22232), (2779, 20360), (3176, 17815), (3563, 15880), (3970, 14252), (4072, 13895), (5090, 11116), (5558, 10180), (7126, 7940)]