143439760

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13687}}^1$

素因数の和:13831

約数の個数: 40

約数和(自身を含む): 336067776

約数和(自身を除く): 192628016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 13687, 27374, 54748, 68435, 109496, 136870, 218992, 273740, 547480, 1094960, 1792997, 3585994, 7171988, 8964985, 14343976, 17929970, 28687952, 35859940, 71719880, 143439760]

約数ペア:

[(1, 143439760), (2, 71719880), (4, 35859940), (5, 28687952), (8, 17929970), (10, 14343976), (16, 8964985), (20, 7171988), (40, 3585994), (80, 1792997), (131, 1094960), (262, 547480), (524, 273740), (655, 218992), (1048, 136870), (1310, 109496), (2096, 68435), (2620, 54748), (5240, 27374), (10480, 13687)]