72414340

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{20929}}^1$

素因数の和:21111

約数の個数: 24

約数和(自身を含む): 152956440

約数和(自身を除く): 80542100

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 20929, 41858, 83716, 104645, 209290, 418580, 3620717, 7241434, 14482868, 18103585, 36207170, 72414340]

約数ペア:

[(1, 72414340), (2, 36207170), (4, 18103585), (5, 14482868), (10, 7241434), (20, 3620717), (173, 418580), (346, 209290), (692, 104645), (865, 83716), (1730, 41858), (3460, 20929)]