78261430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20759}}^1$

素因数の和:20808

約数の個数: 32

約数和(自身を含む): 156945600

約数和(自身を除く): 78684170

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 20759, 41518, 103795, 207590, 269867, 539734, 602011, 1204022, 1349335, 2698670, 3010055, 6020110, 7826143, 15652286, 39130715, 78261430]

約数ペア:

[(1, 78261430), (2, 39130715), (5, 15652286), (10, 7826143), (13, 6020110), (26, 3010055), (29, 2698670), (58, 1349335), (65, 1204022), (130, 602011), (145, 539734), (290, 269867), (377, 207590), (754, 103795), (1885, 41518), (3770, 20759)]