445879760

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{51133}}^1$

素因数の和:51255

約数の個数: 40

約数和(自身を含む): 1046201640

約数和(自身を除く): 600321880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 51133, 102266, 204532, 255665, 409064, 511330, 818128, 1022660, 2045320, 4090640, 5573497, 11146994, 22293988, 27867485, 44587976, 55734970, 89175952, 111469940, 222939880, 445879760]

約数ペア:

[(1, 445879760), (2, 222939880), (4, 111469940), (5, 89175952), (8, 55734970), (10, 44587976), (16, 27867485), (20, 22293988), (40, 11146994), (80, 5573497), (109, 4090640), (218, 2045320), (436, 1022660), (545, 818128), (872, 511330), (1090, 409064), (1744, 255665), (2180, 204532), (4360, 102266), (8720, 51133)]