48615680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 122640000

約数和(自身を除く): 74024320

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, 608, 640, 760, 1216, 1280, 1520, 1999, 2432, 3040, 3998, 4864, 6080, 7996, 9995, 12160, 15992, 19990, 24320, 31984, 37981, 39980, 63968, 75962, 79960, 127936, 151924, 159920, 189905, 255872, 303848, 319840, 379810, 511744, 607696, 639680, 759620, 1215392, 1279360, 1519240, 2430784, 2558720, 3038480, 4861568, 6076960, 9723136, 12153920, 24307840, 48615680]

約数ペア:

[(1, 48615680), (2, 24307840), (4, 12153920), (5, 9723136), (8, 6076960), (10, 4861568), (16, 3038480), (19, 2558720), (20, 2430784), (32, 1519240), (38, 1279360), (40, 1215392), (64, 759620), (76, 639680), (80, 607696), (95, 511744), (128, 379810), (152, 319840), (160, 303848), (190, 255872), (256, 189905), (304, 159920), (320, 151924), (380, 127936), (608, 79960), (640, 75962), (760, 63968), (1216, 39980), (1280, 37981), (1520, 31984), (1999, 24320), (2432, 19990), (3040, 15992), (3998, 12160), (4864, 9995), (6080, 7996)]