40077760

素因数分解:

$2^6\times 5^1\times {\mathrm{125243}}^1$

素因数の和:125260

約数の個数: 28

約数和(自身を含む): 95435928

約数和(自身を除く): 55358168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 125243, 250486, 500972, 626215, 1001944, 1252430, 2003888, 2504860, 4007776, 5009720, 8015552, 10019440, 20038880, 40077760]

約数ペア:

[(1, 40077760), (2, 20038880), (4, 10019440), (5, 8015552), (8, 5009720), (10, 4007776), (16, 2504860), (20, 2003888), (32, 1252430), (40, 1001944), (64, 626215), (80, 500972), (160, 250486), (320, 125243)]