11997280

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 16579520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 449, 668, 835, 898, 1336, 1670, 1796, 2245, 2672, 3340, 3592, 4490, 5344, 6680, 7184, 8980, 13360, 14368, 17960, 26720, 35920, 71840, 74983, 149966, 299932, 374915, 599864, 749830, 1199728, 1499660, 2399456, 2999320, 5998640, 11997280]

約数ペア:

[(1, 11997280), (2, 5998640), (4, 2999320), (5, 2399456), (8, 1499660), (10, 1199728), (16, 749830), (20, 599864), (32, 374915), (40, 299932), (80, 149966), (160, 74983), (167, 71840), (334, 35920), (449, 26720), (668, 17960), (835, 14368), (898, 13360), (1336, 8980), (1670, 7184), (1796, 6680), (2245, 5344), (2672, 4490), (3340, 3592)]