78248320

素因数分解:

$2^7\times 5^1\times {\mathrm{122263}}^1$

素因数の和:122282

約数の個数: 32

約数和(自身を含む): 187063920

約数和(自身を除く): 108815600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 122263, 244526, 489052, 611315, 978104, 1222630, 1956208, 2445260, 3912416, 4890520, 7824832, 9781040, 15649664, 19562080, 39124160, 78248320]

約数ペア:

[(1, 78248320), (2, 39124160), (4, 19562080), (5, 15649664), (8, 9781040), (10, 7824832), (16, 4890520), (20, 3912416), (32, 2445260), (40, 1956208), (64, 1222630), (80, 978104), (128, 611315), (160, 489052), (320, 244526), (640, 122263)]