1267160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 2894400

約数和(自身を除く): 1627240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 401, 632, 790, 802, 1580, 1604, 2005, 3160, 3208, 4010, 8020, 16040, 31679, 63358, 126716, 158395, 253432, 316790, 633580, 1267160]

約数ペア:

[(1, 1267160), (2, 633580), (4, 316790), (5, 253432), (8, 158395), (10, 126716), (20, 63358), (40, 31679), (79, 16040), (158, 8020), (316, 4010), (395, 3208), (401, 3160), (632, 2005), (790, 1604), (802, 1580)]