2667740440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1\times {\mathrm{1907}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 6159252960

約数和(自身を除く): 3491512520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 853, 1640, 1706, 1907, 3412, 3814, 4265, 6824, 7628, 8530, 9535, 15256, 17060, 19070, 34120, 34973, 38140, 69946, 76280, 78187, 139892, 156374, 174865, 279784, 312748, 349730, 390935, 625496, 699460, 781870, 1398920, 1563740, 1626671, 3127480, 3253342, 6506684, 8133355, 13013368, 16266710, 32533420, 65066840, 66693511, 133387022, 266774044, 333467555, 533548088, 666935110, 1333870220, 2667740440]

約数ペア:

[(1, 2667740440), (2, 1333870220), (4, 666935110), (5, 533548088), (8, 333467555), (10, 266774044), (20, 133387022), (40, 66693511), (41, 65066840), (82, 32533420), (164, 16266710), (205, 13013368), (328, 8133355), (410, 6506684), (820, 3253342), (853, 3127480), (1640, 1626671), (1706, 1563740), (1907, 1398920), (3412, 781870), (3814, 699460), (4265, 625496), (6824, 390935), (7628, 349730), (8530, 312748), (9535, 279784), (15256, 174865), (17060, 156374), (19070, 139892), (34120, 78187), (34973, 76280), (38140, 69946)]