260017600

素因数分解:

$2^6\times 5^2\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1182

約数の個数: 84

約数和(自身を含む): 644376664

約数和(自身を除く): 384359064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 163, 200, 320, 326, 400, 652, 800, 815, 997, 1304, 1600, 1630, 1994, 2608, 3260, 3988, 4075, 4985, 5216, 6520, 7976, 8150, 9970, 10432, 13040, 15952, 16300, 19940, 24925, 26080, 31904, 32600, 39880, 49850, 52160, 63808, 65200, 79760, 99700, 130400, 159520, 162511, 199400, 260800, 319040, 325022, 398800, 650044, 797600, 812555, 1300088, 1595200, 1625110, 2600176, 3250220, 4062775, 5200352, 6500440, 8125550, 10400704, 13000880, 16251100, 26001760, 32502200, 52003520, 65004400, 130008800, 260017600]

約数ペア:

[(1, 260017600), (2, 130008800), (4, 65004400), (5, 52003520), (8, 32502200), (10, 26001760), (16, 16251100), (20, 13000880), (25, 10400704), (32, 8125550), (40, 6500440), (50, 5200352), (64, 4062775), (80, 3250220), (100, 2600176), (160, 1625110), (163, 1595200), (200, 1300088), (320, 812555), (326, 797600), (400, 650044), (652, 398800), (800, 325022), (815, 319040), (997, 260800), (1304, 199400), (1600, 162511), (1630, 159520), (1994, 130400), (2608, 99700), (3260, 79760), (3988, 65200), (4075, 63808), (4985, 52160), (5216, 49850), (6520, 39880), (7976, 32600), (8150, 31904), (9970, 26080), (10432, 24925), (13040, 19940), (15952, 16300)]