64655000

素因数分解:

$2^3\times 5^4\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 154544280

約数和(自身を除く): 89889280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 125, 134, 193, 200, 250, 268, 335, 386, 500, 536, 625, 670, 772, 965, 1000, 1250, 1340, 1544, 1675, 1930, 2500, 2680, 3350, 3860, 4825, 5000, 6700, 7720, 8375, 9650, 12931, 13400, 16750, 19300, 24125, 25862, 33500, 38600, 41875, 48250, 51724, 64655, 67000, 83750, 96500, 103448, 120625, 129310, 167500, 193000, 241250, 258620, 323275, 335000, 482500, 517240, 646550, 965000, 1293100, 1616375, 2586200, 3232750, 6465500, 8081875, 12931000, 16163750, 32327500, 64655000]

約数ペア:

[(1, 64655000), (2, 32327500), (4, 16163750), (5, 12931000), (8, 8081875), (10, 6465500), (20, 3232750), (25, 2586200), (40, 1616375), (50, 1293100), (67, 965000), (100, 646550), (125, 517240), (134, 482500), (193, 335000), (200, 323275), (250, 258620), (268, 241250), (335, 193000), (386, 167500), (500, 129310), (536, 120625), (625, 103448), (670, 96500), (772, 83750), (965, 67000), (1000, 64655), (1250, 51724), (1340, 48250), (1544, 41875), (1675, 38600), (1930, 33500), (2500, 25862), (2680, 24125), (3350, 19300), (3860, 16750), (4825, 13400), (5000, 12931), (6700, 9650), (7720, 8375)]