91616680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21013}}^1$

素因数の和:21133

約数の個数: 32

約数和(自身を含む): 208038600

約数和(自身を除く): 116421920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 21013, 42026, 84052, 105065, 168104, 210130, 420260, 840520, 2290417, 4580834, 9161668, 11452085, 18323336, 22904170, 45808340, 91616680]

約数ペア:

[(1, 91616680), (2, 45808340), (4, 22904170), (5, 18323336), (8, 11452085), (10, 9161668), (20, 4580834), (40, 2290417), (109, 840520), (218, 420260), (436, 210130), (545, 168104), (872, 105065), (1090, 84052), (2180, 42026), (4360, 21013)]