12809680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 32654160

約数和(自身を除く): 19844480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 113, 130, 208, 218, 226, 260, 436, 452, 520, 545, 565, 872, 904, 1040, 1090, 1130, 1417, 1469, 1744, 1808, 2180, 2260, 2834, 2938, 4360, 4520, 5668, 5876, 7085, 7345, 8720, 9040, 11336, 11752, 12317, 14170, 14690, 22672, 23504, 24634, 28340, 29380, 49268, 56680, 58760, 61585, 98536, 113360, 117520, 123170, 160121, 197072, 246340, 320242, 492680, 640484, 800605, 985360, 1280968, 1601210, 2561936, 3202420, 6404840, 12809680]

約数ペア:

[(1, 12809680), (2, 6404840), (4, 3202420), (5, 2561936), (8, 1601210), (10, 1280968), (13, 985360), (16, 800605), (20, 640484), (26, 492680), (40, 320242), (52, 246340), (65, 197072), (80, 160121), (104, 123170), (109, 117520), (113, 113360), (130, 98536), (208, 61585), (218, 58760), (226, 56680), (260, 49268), (436, 29380), (452, 28340), (520, 24634), (545, 23504), (565, 22672), (872, 14690), (904, 14170), (1040, 12317), (1090, 11752), (1130, 11336), (1417, 9040), (1469, 8720), (1744, 7345), (1808, 7085), (2180, 5876), (2260, 5668), (2834, 4520), (2938, 4360)]