39835000

素因数分解:

$2^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 96719040

約数和(自身を除く): 56884040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 257, 310, 500, 514, 620, 625, 775, 1000, 1028, 1240, 1250, 1285, 1550, 2056, 2500, 2570, 3100, 3875, 5000, 5140, 6200, 6425, 7750, 7967, 10280, 12850, 15500, 15934, 19375, 25700, 31000, 31868, 32125, 38750, 39835, 51400, 63736, 64250, 77500, 79670, 128500, 155000, 159340, 160625, 199175, 257000, 318680, 321250, 398350, 642500, 796700, 995875, 1285000, 1593400, 1991750, 3983500, 4979375, 7967000, 9958750, 19917500, 39835000]

約数ペア:

[(1, 39835000), (2, 19917500), (4, 9958750), (5, 7967000), (8, 4979375), (10, 3983500), (20, 1991750), (25, 1593400), (31, 1285000), (40, 995875), (50, 796700), (62, 642500), (100, 398350), (124, 321250), (125, 318680), (155, 257000), (200, 199175), (248, 160625), (250, 159340), (257, 155000), (310, 128500), (500, 79670), (514, 77500), (620, 64250), (625, 63736), (775, 51400), (1000, 39835), (1028, 38750), (1240, 32125), (1250, 31868), (1285, 31000), (1550, 25700), (2056, 19375), (2500, 15934), (2570, 15500), (3100, 12850), (3875, 10280), (5000, 7967), (5140, 7750), (6200, 6425)]