48542720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:543

約数の個数: 88

約数和(自身を含む): 122820000

約数和(自身を除く): 74277280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 499, 512, 608, 640, 760, 998, 1024, 1216, 1280, 1520, 1996, 2432, 2495, 2560, 3040, 3992, 4864, 4990, 5120, 6080, 7984, 9481, 9728, 9980, 12160, 15968, 18962, 19456, 19960, 24320, 31936, 37924, 39920, 47405, 48640, 63872, 75848, 79840, 94810, 97280, 127744, 151696, 159680, 189620, 255488, 303392, 319360, 379240, 510976, 606784, 638720, 758480, 1213568, 1277440, 1516960, 2427136, 2554880, 3033920, 4854272, 6067840, 9708544, 12135680, 24271360, 48542720]

約数ペア:

[(1, 48542720), (2, 24271360), (4, 12135680), (5, 9708544), (8, 6067840), (10, 4854272), (16, 3033920), (19, 2554880), (20, 2427136), (32, 1516960), (38, 1277440), (40, 1213568), (64, 758480), (76, 638720), (80, 606784), (95, 510976), (128, 379240), (152, 319360), (160, 303392), (190, 255488), (256, 189620), (304, 159680), (320, 151696), (380, 127744), (499, 97280), (512, 94810), (608, 79840), (640, 75848), (760, 63872), (998, 48640), (1024, 47405), (1216, 39920), (1280, 37924), (1520, 31936), (1996, 24320), (2432, 19960), (2495, 19456), (2560, 18962), (3040, 15968), (3992, 12160), (4864, 9980), (4990, 9728), (5120, 9481), (6080, 7984)]