31099240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21013}}^1$

素因数の和:21061

約数の個数: 32

約数和(自身を含む): 71867880

約数和(自身を除く): 40768640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 21013, 42026, 84052, 105065, 168104, 210130, 420260, 777481, 840520, 1554962, 3109924, 3887405, 6219848, 7774810, 15549620, 31099240]

約数ペア:

[(1, 31099240), (2, 15549620), (4, 7774810), (5, 6219848), (8, 3887405), (10, 3109924), (20, 1554962), (37, 840520), (40, 777481), (74, 420260), (148, 210130), (185, 168104), (296, 105065), (370, 84052), (740, 42026), (1480, 21013)]