21930880

素因数分解:

$2^7\times 5^1\times {\mathrm{34267}}^1$

素因数の和:34286

約数の個数: 32

約数和(自身を含む): 52430040

約数和(自身を除く): 30499160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34267, 68534, 137068, 171335, 274136, 342670, 548272, 685340, 1096544, 1370680, 2193088, 2741360, 4386176, 5482720, 10965440, 21930880]

約数ペア:

[(1, 21930880), (2, 10965440), (4, 5482720), (5, 4386176), (8, 2741360), (10, 2193088), (16, 1370680), (20, 1096544), (32, 685340), (40, 548272), (64, 342670), (80, 274136), (128, 171335), (160, 137068), (320, 68534), (640, 34267)]