39239480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 101442240

約数和(自身を除く): 62202760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 397, 706, 794, 1412, 1588, 1765, 1985, 2471, 2779, 2824, 3176, 3530, 3970, 4942, 5558, 7060, 7940, 9884, 11116, 12355, 13895, 14120, 15880, 19768, 22232, 24710, 27790, 49420, 55580, 98840, 111160, 140141, 280282, 560564, 700705, 980987, 1121128, 1401410, 1961974, 2802820, 3923948, 4904935, 5605640, 7847896, 9809870, 19619740, 39239480]

約数ペア:

[(1, 39239480), (2, 19619740), (4, 9809870), (5, 7847896), (7, 5605640), (8, 4904935), (10, 3923948), (14, 2802820), (20, 1961974), (28, 1401410), (35, 1121128), (40, 980987), (56, 700705), (70, 560564), (140, 280282), (280, 140141), (353, 111160), (397, 98840), (706, 55580), (794, 49420), (1412, 27790), (1588, 24710), (1765, 22232), (1985, 19768), (2471, 15880), (2779, 14120), (2824, 13895), (3176, 12355), (3530, 11116), (3970, 9884), (4942, 7940), (5558, 7060)]