53245640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{479}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 137548800

約数和(自身を除く): 84303160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 479, 794, 958, 1588, 1916, 1985, 2395, 2779, 3176, 3353, 3832, 3970, 4790, 5558, 6706, 7940, 9580, 11116, 13412, 13895, 15880, 16765, 19160, 22232, 26824, 27790, 33530, 55580, 67060, 111160, 134120, 190163, 380326, 760652, 950815, 1331141, 1521304, 1901630, 2662282, 3803260, 5324564, 6655705, 7606520, 10649128, 13311410, 26622820, 53245640]

約数ペア:

[(1, 53245640), (2, 26622820), (4, 13311410), (5, 10649128), (7, 7606520), (8, 6655705), (10, 5324564), (14, 3803260), (20, 2662282), (28, 1901630), (35, 1521304), (40, 1331141), (56, 950815), (70, 760652), (140, 380326), (280, 190163), (397, 134120), (479, 111160), (794, 67060), (958, 55580), (1588, 33530), (1916, 27790), (1985, 26824), (2395, 22232), (2779, 19160), (3176, 16765), (3353, 15880), (3832, 13895), (3970, 13412), (4790, 11116), (5558, 9580), (6706, 7940)]