220138720

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5077}}^1$

素因数の和:5363

約数の個数: 48

約数和(自身を含む): 522099648

約数和(自身を除く): 301960928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2168, 2710, 4336, 5077, 5420, 8672, 10154, 10840, 20308, 21680, 25385, 40616, 43360, 50770, 81232, 101540, 162464, 203080, 406160, 812320, 1375867, 2751734, 5503468, 6879335, 11006936, 13758670, 22013872, 27517340, 44027744, 55034680, 110069360, 220138720]

約数ペア:

[(1, 220138720), (2, 110069360), (4, 55034680), (5, 44027744), (8, 27517340), (10, 22013872), (16, 13758670), (20, 11006936), (32, 6879335), (40, 5503468), (80, 2751734), (160, 1375867), (271, 812320), (542, 406160), (1084, 203080), (1355, 162464), (2168, 101540), (2710, 81232), (4336, 50770), (5077, 43360), (5420, 40616), (8672, 25385), (10154, 21680), (10840, 20308)]