165623960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{96293}}^1$

素因数の和:96347

約数の個数: 32

約数和(自身を含む): 381324240

約数和(自身を除く): 215700280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 96293, 192586, 385172, 481465, 770344, 962930, 1925860, 3851720, 4140599, 8281198, 16562396, 20702995, 33124792, 41405990, 82811980, 165623960]

約数ペア:

[(1, 165623960), (2, 82811980), (4, 41405990), (5, 33124792), (8, 20702995), (10, 16562396), (20, 8281198), (40, 4140599), (43, 3851720), (86, 1925860), (172, 962930), (215, 770344), (344, 481465), (430, 385172), (860, 192586), (1720, 96293)]