16673680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 41050944

約数和(自身を除く): 24377264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 131, 148, 172, 185, 215, 262, 296, 344, 370, 430, 524, 592, 655, 688, 740, 860, 1048, 1310, 1480, 1591, 1720, 2096, 2620, 2960, 3182, 3440, 4847, 5240, 5633, 6364, 7955, 9694, 10480, 11266, 12728, 15910, 19388, 22532, 24235, 25456, 28165, 31820, 38776, 45064, 48470, 56330, 63640, 77552, 90128, 96940, 112660, 127280, 193880, 208421, 225320, 387760, 416842, 450640, 833684, 1042105, 1667368, 2084210, 3334736, 4168420, 8336840, 16673680]

約数ペア:

[(1, 16673680), (2, 8336840), (4, 4168420), (5, 3334736), (8, 2084210), (10, 1667368), (16, 1042105), (20, 833684), (37, 450640), (40, 416842), (43, 387760), (74, 225320), (80, 208421), (86, 193880), (131, 127280), (148, 112660), (172, 96940), (185, 90128), (215, 77552), (262, 63640), (296, 56330), (344, 48470), (370, 45064), (430, 38776), (524, 31820), (592, 28165), (655, 25456), (688, 24235), (740, 22532), (860, 19388), (1048, 15910), (1310, 12728), (1480, 11266), (1591, 10480), (1720, 9694), (2096, 7955), (2620, 6364), (2960, 5633), (3182, 5240), (3440, 4847)]