16468720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1481}}^1$

素因数の和:1633

約数の個数: 40

約数和(自身を含む): 38591280

約数和(自身を除く): 22122560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 1481, 2224, 2780, 2962, 5560, 5924, 7405, 11120, 11848, 14810, 23696, 29620, 59240, 118480, 205859, 411718, 823436, 1029295, 1646872, 2058590, 3293744, 4117180, 8234360, 16468720]

約数ペア:

[(1, 16468720), (2, 8234360), (4, 4117180), (5, 3293744), (8, 2058590), (10, 1646872), (16, 1029295), (20, 823436), (40, 411718), (80, 205859), (139, 118480), (278, 59240), (556, 29620), (695, 23696), (1112, 14810), (1390, 11848), (1481, 11120), (2224, 7405), (2780, 5924), (2962, 5560)]