38880640

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 94248000

約数和(自身を除く): 55367360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 769, 790, 1264, 1538, 1580, 2528, 3076, 3160, 3845, 5056, 6152, 6320, 7690, 10112, 12304, 12640, 15380, 24608, 25280, 30760, 49216, 50560, 60751, 61520, 98432, 121502, 123040, 243004, 246080, 303755, 486008, 492160, 607510, 972016, 1215020, 1944032, 2430040, 3888064, 4860080, 7776128, 9720160, 19440320, 38880640]

約数ペア:

[(1, 38880640), (2, 19440320), (4, 9720160), (5, 7776128), (8, 4860080), (10, 3888064), (16, 2430040), (20, 1944032), (32, 1215020), (40, 972016), (64, 607510), (79, 492160), (80, 486008), (128, 303755), (158, 246080), (160, 243004), (316, 123040), (320, 121502), (395, 98432), (632, 61520), (640, 60751), (769, 50560), (790, 49216), (1264, 30760), (1538, 25280), (1580, 24608), (2528, 15380), (3076, 12640), (3160, 12304), (3845, 10112), (5056, 7690), (6152, 6320)]