81578450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 158561280

約数和(自身を除く): 76982830

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 127, 145, 254, 290, 443, 635, 725, 886, 1270, 1450, 2215, 3175, 3683, 4430, 6350, 7366, 11075, 12847, 18415, 22150, 25694, 36830, 56261, 64235, 92075, 112522, 128470, 184150, 281305, 321175, 562610, 642350, 1406525, 1631569, 2813050, 3263138, 8157845, 16315690, 40789225, 81578450]

約数ペア:

[(1, 81578450), (2, 40789225), (5, 16315690), (10, 8157845), (25, 3263138), (29, 2813050), (50, 1631569), (58, 1406525), (127, 642350), (145, 562610), (254, 321175), (290, 281305), (443, 184150), (635, 128470), (725, 112522), (886, 92075), (1270, 64235), (1450, 56261), (2215, 36830), (3175, 25694), (3683, 22150), (4430, 18415), (6350, 12847), (7366, 11075)]