71413840

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{4987}}^1$

素因数の和:5179

約数の個数: 40

約数和(自身を含む): 166998240

約数和(自身を除く): 95584400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 4987, 7160, 9974, 14320, 19948, 24935, 39896, 49870, 79792, 99740, 199480, 398960, 892673, 1785346, 3570692, 4463365, 7141384, 8926730, 14282768, 17853460, 35706920, 71413840]

約数ペア:

[(1, 71413840), (2, 35706920), (4, 17853460), (5, 14282768), (8, 8926730), (10, 7141384), (16, 4463365), (20, 3570692), (40, 1785346), (80, 892673), (179, 398960), (358, 199480), (716, 99740), (895, 79792), (1432, 49870), (1790, 39896), (2864, 24935), (3580, 19948), (4987, 14320), (7160, 9974)]