78427180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{301643}}^1$

素因数の和:301665

約数の個数: 24

約数和(自身を含む): 177366672

約数和(自身を除く): 98939492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 301643, 603286, 1206572, 1508215, 3016430, 3921359, 6032860, 7842718, 15685436, 19606795, 39213590, 78427180]

約数ペア:

[(1, 78427180), (2, 39213590), (4, 19606795), (5, 15685436), (10, 7842718), (13, 6032860), (20, 3921359), (26, 3016430), (52, 1508215), (65, 1206572), (130, 603286), (260, 301643)]