42060640

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1321}}^1$

素因数の和:1535

約数の個数: 48

約数和(自身を含む): 99943200

約数和(自身を除く): 57882560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1321, 1592, 1990, 2642, 3184, 3980, 5284, 6368, 6605, 7960, 10568, 13210, 15920, 21136, 26420, 31840, 42272, 52840, 105680, 211360, 262879, 525758, 1051516, 1314395, 2103032, 2628790, 4206064, 5257580, 8412128, 10515160, 21030320, 42060640]

約数ペア:

[(1, 42060640), (2, 21030320), (4, 10515160), (5, 8412128), (8, 5257580), (10, 4206064), (16, 2628790), (20, 2103032), (32, 1314395), (40, 1051516), (80, 525758), (160, 262879), (199, 211360), (398, 105680), (796, 52840), (995, 42272), (1321, 31840), (1592, 26420), (1990, 21136), (2642, 15920), (3184, 13210), (3980, 10568), (5284, 7960), (6368, 6605)]