8463440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1579}}^1$

素因数の和:1659

約数の個数: 40

約数和(自身を含む): 19983840

約数和(自身を除く): 11520400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 1579, 2680, 3158, 5360, 6316, 7895, 12632, 15790, 25264, 31580, 63160, 105793, 126320, 211586, 423172, 528965, 846344, 1057930, 1692688, 2115860, 4231720, 8463440]

約数ペア:

[(1, 8463440), (2, 4231720), (4, 2115860), (5, 1692688), (8, 1057930), (10, 846344), (16, 528965), (20, 423172), (40, 211586), (67, 126320), (80, 105793), (134, 63160), (268, 31580), (335, 25264), (536, 15790), (670, 12632), (1072, 7895), (1340, 6316), (1579, 5360), (2680, 3158)]