51395440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13669}}^1$

素因数の和:13729

約数の個数: 40

約数和(自身を含む): 122045760

約数和(自身を除く): 70650320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 13669, 27338, 54676, 68345, 109352, 136690, 218704, 273380, 546760, 642443, 1093520, 1284886, 2569772, 3212215, 5139544, 6424430, 10279088, 12848860, 25697720, 51395440]

約数ペア:

[(1, 51395440), (2, 25697720), (4, 12848860), (5, 10279088), (8, 6424430), (10, 5139544), (16, 3212215), (20, 2569772), (40, 1284886), (47, 1093520), (80, 642443), (94, 546760), (188, 273380), (235, 218704), (376, 136690), (470, 109352), (752, 68345), (940, 54676), (1880, 27338), (3760, 13669)]