8235760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7945

約数の個数: 40

約数和(自身を含む): 20623680

約数和(自身を除く): 12387920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7919, 15838, 31676, 39595, 63352, 79190, 102947, 126704, 158380, 205894, 316760, 411788, 514735, 633520, 823576, 1029470, 1647152, 2058940, 4117880, 8235760]

約数ペア:

[(1, 8235760), (2, 4117880), (4, 2058940), (5, 1647152), (8, 1029470), (10, 823576), (13, 633520), (16, 514735), (20, 411788), (26, 316760), (40, 205894), (52, 158380), (65, 126704), (80, 102947), (104, 79190), (130, 63352), (208, 39595), (260, 31676), (520, 15838), (1040, 7919)]