2430640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1357

約数の個数: 40

約数和(自身を含む): 5901408

約数和(自身を除く): 3470768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1321, 1840, 2642, 5284, 6605, 10568, 13210, 21136, 26420, 30383, 52840, 60766, 105680, 121532, 151915, 243064, 303830, 486128, 607660, 1215320, 2430640]

約数ペア:

[(1, 2430640), (2, 1215320), (4, 607660), (5, 486128), (8, 303830), (10, 243064), (16, 151915), (20, 121532), (23, 105680), (40, 60766), (46, 52840), (80, 30383), (92, 26420), (115, 21136), (184, 13210), (230, 10568), (368, 6605), (460, 5284), (920, 2642), (1321, 1840)]