2013128375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 2807500800

約数和(自身を除く): 794372425

約数列:

[1, 5, 19, 25, 31, 37, 95, 125, 155, 185, 475, 589, 703, 739, 775, 925, 1147, 2375, 2945, 3515, 3695, 3875, 4625, 5735, 14041, 14725, 17575, 18475, 21793, 22909, 27343, 28675, 70205, 73625, 87875, 92375, 108965, 114545, 136715, 143375, 351025, 435271, 519517, 544825, 572725, 683575, 847633, 1755125, 2176355, 2597585, 2724125, 2863625, 3417875, 4238165, 10881775, 12987925, 16105027, 21190825, 54408875, 64939625, 80525135, 105954125, 402625675, 2013128375]

約数ペア:

[(1, 2013128375), (5, 402625675), (19, 105954125), (25, 80525135), (31, 64939625), (37, 54408875), (95, 21190825), (125, 16105027), (155, 12987925), (185, 10881775), (475, 4238165), (589, 3417875), (703, 2863625), (739, 2724125), (775, 2597585), (925, 2176355), (1147, 1755125), (2375, 847633), (2945, 683575), (3515, 572725), (3695, 544825), (3875, 519517), (4625, 435271), (5735, 351025), (14041, 143375), (14725, 136715), (17575, 114545), (18475, 108965), (21793, 92375), (22909, 87875), (27343, 73625), (28675, 70205)]