72519880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{16633}}^1$

素因数の和:16753

約数の個数: 32

約数和(自身を含む): 164676600

約数和(自身を除く): 92156720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 16633, 33266, 66532, 83165, 133064, 166330, 332660, 665320, 1812997, 3625994, 7251988, 9064985, 14503976, 18129970, 36259940, 72519880]

約数ペア:

[(1, 72519880), (2, 36259940), (4, 18129970), (5, 14503976), (8, 9064985), (10, 7251988), (20, 3625994), (40, 1812997), (109, 665320), (218, 332660), (436, 166330), (545, 133064), (872, 83165), (1090, 66532), (2180, 33266), (4360, 16633)]