5408240

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 12774480

約数和(自身を除く): 7366240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1009, 1072, 1340, 2018, 2680, 4036, 5045, 5360, 8072, 10090, 16144, 20180, 40360, 67603, 80720, 135206, 270412, 338015, 540824, 676030, 1081648, 1352060, 2704120, 5408240]

約数ペア:

[(1, 5408240), (2, 2704120), (4, 1352060), (5, 1081648), (8, 676030), (10, 540824), (16, 338015), (20, 270412), (40, 135206), (67, 80720), (80, 67603), (134, 40360), (268, 20180), (335, 16144), (536, 10090), (670, 8072), (1009, 5360), (1072, 5045), (1340, 4036), (2018, 2680)]