83420000

素因数分解:

$2^5\times 5^4\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 120

約数和(自身を含む): 212163336

約数和(自身を除く): 128743336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 97, 100, 125, 160, 172, 194, 200, 215, 250, 344, 388, 400, 430, 485, 500, 625, 688, 776, 800, 860, 970, 1000, 1075, 1250, 1376, 1552, 1720, 1940, 2000, 2150, 2425, 2500, 3104, 3440, 3880, 4000, 4171, 4300, 4850, 5000, 5375, 6880, 7760, 8342, 8600, 9700, 10000, 10750, 12125, 15520, 16684, 17200, 19400, 20000, 20855, 21500, 24250, 26875, 33368, 34400, 38800, 41710, 43000, 48500, 53750, 60625, 66736, 77600, 83420, 86000, 97000, 104275, 107500, 121250, 133472, 166840, 172000, 194000, 208550, 215000, 242500, 333680, 388000, 417100, 430000, 485000, 521375, 667360, 834200, 860000, 970000, 1042750, 1668400, 1940000, 2085500, 2606875, 3336800, 4171000, 5213750, 8342000, 10427500, 16684000, 20855000, 41710000, 83420000]

約数ペア:

[(1, 83420000), (2, 41710000), (4, 20855000), (5, 16684000), (8, 10427500), (10, 8342000), (16, 5213750), (20, 4171000), (25, 3336800), (32, 2606875), (40, 2085500), (43, 1940000), (50, 1668400), (80, 1042750), (86, 970000), (97, 860000), (100, 834200), (125, 667360), (160, 521375), (172, 485000), (194, 430000), (200, 417100), (215, 388000), (250, 333680), (344, 242500), (388, 215000), (400, 208550), (430, 194000), (485, 172000), (500, 166840), (625, 133472), (688, 121250), (776, 107500), (800, 104275), (860, 97000), (970, 86000), (1000, 83420), (1075, 77600), (1250, 66736), (1376, 60625), (1552, 53750), (1720, 48500), (1940, 43000), (2000, 41710), (2150, 38800), (2425, 34400), (2500, 33368), (3104, 26875), (3440, 24250), (3880, 21500), (4000, 20855), (4171, 20000), (4300, 19400), (4850, 17200), (5000, 16684), (5375, 15520), (6880, 12125), (7760, 10750), (8342, 10000), (8600, 9700)]