164749880

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{6719}}^1$

素因数の和:7343

約数の個数: 32

約数和(自身を含む): 371347200

約数和(自身を除く): 206597320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 6719, 12260, 13438, 24520, 26876, 33595, 53752, 67190, 134380, 268760, 4118747, 8237494, 16474988, 20593735, 32949976, 41187470, 82374940, 164749880]

約数ペア:

[(1, 164749880), (2, 82374940), (4, 41187470), (5, 32949976), (8, 20593735), (10, 16474988), (20, 8237494), (40, 4118747), (613, 268760), (1226, 134380), (2452, 67190), (3065, 53752), (4904, 33595), (6130, 26876), (6719, 24520), (12260, 13438)]