25305540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32443}}^1$

素因数の和:32468

約数の個数: 48

約数和(自身を含む): 76308288

約数和(自身を除く): 51002748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 32443, 64886, 97329, 129772, 162215, 194658, 324430, 389316, 421759, 486645, 648860, 843518, 973290, 1265277, 1687036, 1946580, 2108795, 2530554, 4217590, 5061108, 6326385, 8435180, 12652770, 25305540]

約数ペア:

[(1, 25305540), (2, 12652770), (3, 8435180), (4, 6326385), (5, 5061108), (6, 4217590), (10, 2530554), (12, 2108795), (13, 1946580), (15, 1687036), (20, 1265277), (26, 973290), (30, 843518), (39, 648860), (52, 486645), (60, 421759), (65, 389316), (78, 324430), (130, 194658), (156, 162215), (195, 129772), (260, 97329), (390, 64886), (780, 32443)]