17705256880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{26947}}^1$

素因数の和:27194

約数の個数: 80

約数和(自身を含む): 42344146944

約数和(自身を除く): 24638890064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 191, 215, 344, 382, 430, 688, 764, 860, 955, 1528, 1720, 1910, 3056, 3440, 3820, 7640, 8213, 15280, 16426, 26947, 32852, 41065, 53894, 65704, 82130, 107788, 131408, 134735, 164260, 215576, 269470, 328520, 431152, 538940, 657040, 1077880, 1158721, 2155760, 2317442, 4634884, 5146877, 5793605, 9269768, 10293754, 11587210, 18539536, 20587508, 23174420, 25734385, 41175016, 46348840, 51468770, 82350032, 92697680, 102937540, 205875080, 221315711, 411750160, 442631422, 885262844, 1106578555, 1770525688, 2213157110, 3541051376, 4426314220, 8852628440, 17705256880]

約数ペア:

[(1, 17705256880), (2, 8852628440), (4, 4426314220), (5, 3541051376), (8, 2213157110), (10, 1770525688), (16, 1106578555), (20, 885262844), (40, 442631422), (43, 411750160), (80, 221315711), (86, 205875080), (172, 102937540), (191, 92697680), (215, 82350032), (344, 51468770), (382, 46348840), (430, 41175016), (688, 25734385), (764, 23174420), (860, 20587508), (955, 18539536), (1528, 11587210), (1720, 10293754), (1910, 9269768), (3056, 5793605), (3440, 5146877), (3820, 4634884), (7640, 2317442), (8213, 2155760), (15280, 1158721), (16426, 1077880), (26947, 657040), (32852, 538940), (41065, 431152), (53894, 328520), (65704, 269470), (82130, 215576), (107788, 164260), (131408, 134735)]