4082000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:193

約数の個数: 80

約数和(自身を含む): 10697232

約数和(自身を除く): 6615232

約数列:

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

約数ペア:

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