80293750

素因数分解:

$2^1\times 5^5\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 156083760

約数和(自身を除く): 75790010

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 443, 625, 725, 886, 1250, 1450, 2215, 3125, 3625, 4430, 6250, 7250, 11075, 12847, 18125, 22150, 25694, 36250, 55375, 64235, 90625, 110750, 128470, 181250, 276875, 321175, 553750, 642350, 1384375, 1605875, 2768750, 3211750, 8029375, 16058750, 40146875, 80293750]

約数ペア:

[(1, 80293750), (2, 40146875), (5, 16058750), (10, 8029375), (25, 3211750), (29, 2768750), (50, 1605875), (58, 1384375), (125, 642350), (145, 553750), (250, 321175), (290, 276875), (443, 181250), (625, 128470), (725, 110750), (886, 90625), (1250, 64235), (1450, 55375), (2215, 36250), (3125, 25694), (3625, 22150), (4430, 18125), (6250, 12847), (7250, 11075)]