12912986860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1$

素因数の和:1747

約数の個数: 96

約数和(自身を含む): 28326957120

約数和(自身を除く): 15413970260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 113, 172, 178, 215, 226, 356, 430, 445, 452, 565, 860, 890, 1130, 1493, 1780, 2260, 2986, 3827, 4859, 5972, 7465, 7654, 9718, 10057, 14930, 15308, 19135, 19436, 20114, 24295, 29860, 38270, 40228, 48590, 50285, 64199, 76540, 97180, 100570, 128398, 132877, 168709, 201140, 256796, 265754, 320995, 337418, 432451, 531508, 641990, 664385, 674836, 843545, 864902, 1283980, 1328770, 1687090, 1729804, 2162255, 2657540, 3374180, 4324510, 5713711, 7254487, 8649020, 11427422, 14508974, 15015101, 22854844, 28568555, 29017948, 30030202, 36272435, 57137110, 60060404, 72544870, 75075505, 114274220, 145089740, 150151010, 300302020, 645649343, 1291298686, 2582597372, 3228246715, 6456493430, 12912986860]

約数ペア:

[(1, 12912986860), (2, 6456493430), (4, 3228246715), (5, 2582597372), (10, 1291298686), (20, 645649343), (43, 300302020), (86, 150151010), (89, 145089740), (113, 114274220), (172, 75075505), (178, 72544870), (215, 60060404), (226, 57137110), (356, 36272435), (430, 30030202), (445, 29017948), (452, 28568555), (565, 22854844), (860, 15015101), (890, 14508974), (1130, 11427422), (1493, 8649020), (1780, 7254487), (2260, 5713711), (2986, 4324510), (3827, 3374180), (4859, 2657540), (5972, 2162255), (7465, 1729804), (7654, 1687090), (9718, 1328770), (10057, 1283980), (14930, 864902), (15308, 843545), (19135, 674836), (19436, 664385), (20114, 641990), (24295, 531508), (29860, 432451), (38270, 337418), (40228, 320995), (48590, 265754), (50285, 256796), (64199, 201140), (76540, 168709), (97180, 132877), (100570, 128398)]