1312278400

素因数分解:

$2^7\times 5^2\times {\mathrm{410087}}^1$

素因数の和:410111

約数の個数: 48

約数和(自身を含む): 3241745640

約数和(自身を除く): 1929467240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 410087, 820174, 1640348, 2050435, 3280696, 4100870, 6561392, 8201740, 10252175, 13122784, 16403480, 20504350, 26245568, 32806960, 41008700, 52491136, 65613920, 82017400, 131227840, 164034800, 262455680, 328069600, 656139200, 1312278400]

約数ペア:

[(1, 1312278400), (2, 656139200), (4, 328069600), (5, 262455680), (8, 164034800), (10, 131227840), (16, 82017400), (20, 65613920), (25, 52491136), (32, 41008700), (40, 32806960), (50, 26245568), (64, 20504350), (80, 16403480), (100, 13122784), (128, 10252175), (160, 8201740), (200, 6561392), (320, 4100870), (400, 3280696), (640, 2050435), (800, 1640348), (1600, 820174), (3200, 410087)]