31785130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1759}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 62092800

約数和(自身を除く): 30307670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1759, 1807, 3518, 3614, 8795, 9035, 17590, 18070, 22867, 45734, 114335, 228670, 244501, 489002, 1222505, 2445010, 3178513, 6357026, 15892565, 31785130]

約数ペア:

[(1, 31785130), (2, 15892565), (5, 6357026), (10, 3178513), (13, 2445010), (26, 1222505), (65, 489002), (130, 244501), (139, 228670), (278, 114335), (695, 45734), (1390, 22867), (1759, 18070), (1807, 17590), (3518, 9035), (3614, 8795)]