3859280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2571

約数の個数: 40

約数和(自身を含む): 9448800

約数和(自身を除く): 5589520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2539, 5078, 10156, 12695, 20312, 25390, 40624, 48241, 50780, 96482, 101560, 192964, 203120, 241205, 385928, 482410, 771856, 964820, 1929640, 3859280]

約数ペア:

[(1, 3859280), (2, 1929640), (4, 964820), (5, 771856), (8, 482410), (10, 385928), (16, 241205), (19, 203120), (20, 192964), (38, 101560), (40, 96482), (76, 50780), (80, 48241), (95, 40624), (152, 25390), (190, 20312), (304, 12695), (380, 10156), (760, 5078), (1520, 2539)]