65456680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15013}}^1$

素因数の和:15133

約数の個数: 32

約数和(自身を含む): 148638600

約数和(自身を除く): 83181920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 15013, 30026, 60052, 75065, 120104, 150130, 300260, 600520, 1636417, 3272834, 6545668, 8182085, 13091336, 16364170, 32728340, 65456680]

約数ペア:

[(1, 65456680), (2, 32728340), (4, 16364170), (5, 13091336), (8, 8182085), (10, 6545668), (20, 3272834), (40, 1636417), (109, 600520), (218, 300260), (436, 150130), (545, 120104), (872, 75065), (1090, 60052), (2180, 30026), (4360, 15013)]