4171000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 10090080

約数和(自身を除く): 5919080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 97, 100, 125, 172, 194, 200, 215, 250, 344, 388, 430, 485, 500, 776, 860, 970, 1000, 1075, 1720, 1940, 2150, 2425, 3880, 4171, 4300, 4850, 5375, 8342, 8600, 9700, 10750, 12125, 16684, 19400, 20855, 21500, 24250, 33368, 41710, 43000, 48500, 83420, 97000, 104275, 166840, 208550, 417100, 521375, 834200, 1042750, 2085500, 4171000]

約数ペア:

[(1, 4171000), (2, 2085500), (4, 1042750), (5, 834200), (8, 521375), (10, 417100), (20, 208550), (25, 166840), (40, 104275), (43, 97000), (50, 83420), (86, 48500), (97, 43000), (100, 41710), (125, 33368), (172, 24250), (194, 21500), (200, 20855), (215, 19400), (250, 16684), (344, 12125), (388, 10750), (430, 9700), (485, 8600), (500, 8342), (776, 5375), (860, 4850), (970, 4300), (1000, 4171), (1075, 3880), (1720, 2425), (1940, 2150)]