156016720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19309}}^1$

素因数の和:19423

約数の個数: 40

約数和(自身を含む): 366349320

約数和(自身を除く): 210332600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 19309, 38618, 77236, 96545, 154472, 193090, 308944, 386180, 772360, 1544720, 1950209, 3900418, 7800836, 9751045, 15601672, 19502090, 31203344, 39004180, 78008360, 156016720]

約数ペア:

[(1, 156016720), (2, 78008360), (4, 39004180), (5, 31203344), (8, 19502090), (10, 15601672), (16, 9751045), (20, 7800836), (40, 3900418), (80, 1950209), (101, 1544720), (202, 772360), (404, 386180), (505, 308944), (808, 193090), (1010, 154472), (1616, 96545), (2020, 77236), (4040, 38618), (8080, 19309)]