72310940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278119}}^1$

素因数の和:278141

約数の個数: 24

約数和(自身を含む): 163534560

約数和(自身を除く): 91223620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 278119, 556238, 1112476, 1390595, 2781190, 3615547, 5562380, 7231094, 14462188, 18077735, 36155470, 72310940]

約数ペア:

[(1, 72310940), (2, 36155470), (4, 18077735), (5, 14462188), (10, 7231094), (13, 5562380), (20, 3615547), (26, 2781190), (52, 1390595), (65, 1112476), (130, 556238), (260, 278119)]