16823680

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 40783680

約数和(自身を除く): 23960000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 271, 320, 388, 485, 542, 640, 776, 970, 1084, 1355, 1552, 1940, 2168, 2710, 3104, 3880, 4336, 5420, 6208, 7760, 8672, 10840, 12416, 15520, 17344, 21680, 26287, 31040, 34688, 43360, 52574, 62080, 86720, 105148, 131435, 173440, 210296, 262870, 420592, 525740, 841184, 1051480, 1682368, 2102960, 3364736, 4205920, 8411840, 16823680]

約数ペア:

[(1, 16823680), (2, 8411840), (4, 4205920), (5, 3364736), (8, 2102960), (10, 1682368), (16, 1051480), (20, 841184), (32, 525740), (40, 420592), (64, 262870), (80, 210296), (97, 173440), (128, 131435), (160, 105148), (194, 86720), (271, 62080), (320, 52574), (388, 43360), (485, 34688), (542, 31040), (640, 26287), (776, 21680), (970, 17344), (1084, 15520), (1355, 12416), (1552, 10840), (1940, 8672), (2168, 7760), (2710, 6208), (3104, 5420), (3880, 4336)]