8164000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 21739536

約数和(自身を除く): 13575536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 157, 160, 200, 208, 250, 260, 314, 325, 400, 416, 500, 520, 628, 650, 785, 800, 1000, 1040, 1256, 1300, 1570, 1625, 2000, 2041, 2080, 2512, 2600, 3140, 3250, 3925, 4000, 4082, 5024, 5200, 6280, 6500, 7850, 8164, 10205, 10400, 12560, 13000, 15700, 16328, 19625, 20410, 25120, 26000, 31400, 32656, 39250, 40820, 51025, 52000, 62800, 65312, 78500, 81640, 102050, 125600, 157000, 163280, 204100, 255125, 314000, 326560, 408200, 510250, 628000, 816400, 1020500, 1632800, 2041000, 4082000, 8164000]

約数ペア:

[(1, 8164000), (2, 4082000), (4, 2041000), (5, 1632800), (8, 1020500), (10, 816400), (13, 628000), (16, 510250), (20, 408200), (25, 326560), (26, 314000), (32, 255125), (40, 204100), (50, 163280), (52, 157000), (65, 125600), (80, 102050), (100, 81640), (104, 78500), (125, 65312), (130, 62800), (157, 52000), (160, 51025), (200, 40820), (208, 39250), (250, 32656), (260, 31400), (314, 26000), (325, 25120), (400, 20410), (416, 19625), (500, 16328), (520, 15700), (628, 13000), (650, 12560), (785, 10400), (800, 10205), (1000, 8164), (1040, 7850), (1256, 6500), (1300, 6280), (1570, 5200), (1625, 5024), (2000, 4082), (2041, 4000), (2080, 3925), (2512, 3250), (2600, 3140)]