258872000

素因数分解:

$2^6\times 5^3\times {\mathrm{32359}}^1$

素因数の和:32386

約数の個数: 56

約数和(自身を含む): 641116320

約数和(自身を除く): 382244320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 32359, 64718, 129436, 161795, 258872, 323590, 517744, 647180, 808975, 1035488, 1294360, 1617950, 2070976, 2588720, 3235900, 4044875, 5177440, 6471800, 8089750, 10354880, 12943600, 16179500, 25887200, 32359000, 51774400, 64718000, 129436000, 258872000]

約数ペア:

[(1, 258872000), (2, 129436000), (4, 64718000), (5, 51774400), (8, 32359000), (10, 25887200), (16, 16179500), (20, 12943600), (25, 10354880), (32, 8089750), (40, 6471800), (50, 5177440), (64, 4044875), (80, 3235900), (100, 2588720), (125, 2070976), (160, 1617950), (200, 1294360), (250, 1035488), (320, 808975), (400, 647180), (500, 517744), (800, 323590), (1000, 258872), (1600, 161795), (2000, 129436), (4000, 64718), (8000, 32359)]