78244720

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4271}}^1$

素因数の和:4513

約数の個数: 40

約数和(自身を含む): 182756160

約数和(自身を除く): 104511440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4271, 4580, 8542, 9160, 17084, 18320, 21355, 34168, 42710, 68336, 85420, 170840, 341680, 978059, 1956118, 3912236, 4890295, 7824472, 9780590, 15648944, 19561180, 39122360, 78244720]

約数ペア:

[(1, 78244720), (2, 39122360), (4, 19561180), (5, 15648944), (8, 9780590), (10, 7824472), (16, 4890295), (20, 3912236), (40, 1956118), (80, 978059), (229, 341680), (458, 170840), (916, 85420), (1145, 68336), (1832, 42710), (2290, 34168), (3664, 21355), (4271, 18320), (4580, 17084), (8542, 9160)]