20231438720

素因数分解:

$2^7\times 5^1\times {\mathrm{2399}}^1\times {\mathrm{13177}}^1$

素因数の和:15595

約数の個数: 64

約数和(自身を含む): 48389616000

約数和(自身を除く): 28158177280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2399, 4798, 9596, 11995, 13177, 19192, 23990, 26354, 38384, 47980, 52708, 65885, 76768, 95960, 105416, 131770, 153536, 191920, 210832, 263540, 307072, 383840, 421664, 527080, 767680, 843328, 1054160, 1535360, 1686656, 2108320, 4216640, 8433280, 31611623, 63223246, 126446492, 158058115, 252892984, 316116230, 505785968, 632232460, 1011571936, 1264464920, 2023143872, 2528929840, 4046287744, 5057859680, 10115719360, 20231438720]

約数ペア:

[(1, 20231438720), (2, 10115719360), (4, 5057859680), (5, 4046287744), (8, 2528929840), (10, 2023143872), (16, 1264464920), (20, 1011571936), (32, 632232460), (40, 505785968), (64, 316116230), (80, 252892984), (128, 158058115), (160, 126446492), (320, 63223246), (640, 31611623), (2399, 8433280), (4798, 4216640), (9596, 2108320), (11995, 1686656), (13177, 1535360), (19192, 1054160), (23990, 843328), (26354, 767680), (38384, 527080), (47980, 421664), (52708, 383840), (65885, 307072), (76768, 263540), (95960, 210832), (105416, 191920), (131770, 153536)]