31868000

素因数分解:

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

素因数の和:313

約数の個数: 96

約数和(自身を含む): 81139968

約数和(自身を除く): 49271968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 257, 310, 400, 496, 500, 514, 620, 775, 800, 992, 1000, 1028, 1240, 1285, 1550, 2000, 2056, 2480, 2570, 3100, 3875, 4000, 4112, 4960, 5140, 6200, 6425, 7750, 7967, 8224, 10280, 12400, 12850, 15500, 15934, 20560, 24800, 25700, 31000, 31868, 32125, 39835, 41120, 51400, 62000, 63736, 64250, 79670, 102800, 124000, 127472, 128500, 159340, 199175, 205600, 254944, 257000, 318680, 398350, 514000, 637360, 796700, 995875, 1028000, 1274720, 1593400, 1991750, 3186800, 3983500, 6373600, 7967000, 15934000, 31868000]

約数ペア:

[(1, 31868000), (2, 15934000), (4, 7967000), (5, 6373600), (8, 3983500), (10, 3186800), (16, 1991750), (20, 1593400), (25, 1274720), (31, 1028000), (32, 995875), (40, 796700), (50, 637360), (62, 514000), (80, 398350), (100, 318680), (124, 257000), (125, 254944), (155, 205600), (160, 199175), (200, 159340), (248, 128500), (250, 127472), (257, 124000), (310, 102800), (400, 79670), (496, 64250), (500, 63736), (514, 62000), (620, 51400), (775, 41120), (800, 39835), (992, 32125), (1000, 31868), (1028, 31000), (1240, 25700), (1285, 24800), (1550, 20560), (2000, 15934), (2056, 15500), (2480, 12850), (2570, 12400), (3100, 10280), (3875, 8224), (4000, 7967), (4112, 7750), (4960, 6425), (5140, 6200)]