628005520

素因数分解:

$2^4\times 5^1\times {\mathrm{2671}}^1\times {\mathrm{2939}}^1$

素因数の和:5623

約数の個数: 40

約数和(自身を含む): 1461156480

約数和(自身を除く): 833150960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2671, 2939, 5342, 5878, 10684, 11756, 13355, 14695, 21368, 23512, 26710, 29390, 42736, 47024, 53420, 58780, 106840, 117560, 213680, 235120, 7850069, 15700138, 31400276, 39250345, 62800552, 78500690, 125601104, 157001380, 314002760, 628005520]

約数ペア:

[(1, 628005520), (2, 314002760), (4, 157001380), (5, 125601104), (8, 78500690), (10, 62800552), (16, 39250345), (20, 31400276), (40, 15700138), (80, 7850069), (2671, 235120), (2939, 213680), (5342, 117560), (5878, 106840), (10684, 58780), (11756, 53420), (13355, 47024), (14695, 42736), (21368, 29390), (23512, 26710)]