16388320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7879}}^1$

素因数の和:7907

約数の個数: 48

約数和(自身を含む): 41700960

約数和(自身を除く): 25312640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7879, 15758, 31516, 39395, 63032, 78790, 102427, 126064, 157580, 204854, 252128, 315160, 409708, 512135, 630320, 819416, 1024270, 1260640, 1638832, 2048540, 3277664, 4097080, 8194160, 16388320]

約数ペア:

[(1, 16388320), (2, 8194160), (4, 4097080), (5, 3277664), (8, 2048540), (10, 1638832), (13, 1260640), (16, 1024270), (20, 819416), (26, 630320), (32, 512135), (40, 409708), (52, 315160), (65, 252128), (80, 204854), (104, 157580), (130, 126064), (160, 102427), (208, 78790), (260, 63032), (416, 39395), (520, 31516), (1040, 15758), (2080, 7879)]