403641520

素因数分解:

$2^4\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{2671}}^1$

素因数の和:4573

約数の個数: 40

約数和(自身を含む): 939314880

約数和(自身を除く): 535673360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1889, 2671, 3778, 5342, 7556, 9445, 10684, 13355, 15112, 18890, 21368, 26710, 30224, 37780, 42736, 53420, 75560, 106840, 151120, 213680, 5045519, 10091038, 20182076, 25227595, 40364152, 50455190, 80728304, 100910380, 201820760, 403641520]

約数ペア:

[(1, 403641520), (2, 201820760), (4, 100910380), (5, 80728304), (8, 50455190), (10, 40364152), (16, 25227595), (20, 20182076), (40, 10091038), (80, 5045519), (1889, 213680), (2671, 151120), (3778, 106840), (5342, 75560), (7556, 53420), (9445, 42736), (10684, 37780), (13355, 30224), (15112, 26710), (18890, 21368)]