66166340

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{2539}}^1$

素因数の和:3851

約数の個数: 24

約数和(自身を含む): 139110720

約数和(自身を除く): 72944380

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2539, 2606, 5078, 5212, 6515, 10156, 12695, 13030, 25390, 26060, 50780, 3308317, 6616634, 13233268, 16541585, 33083170, 66166340]

約数ペア:

[(1, 66166340), (2, 33083170), (4, 16541585), (5, 13233268), (10, 6616634), (20, 3308317), (1303, 50780), (2539, 26060), (2606, 25390), (5078, 13030), (5212, 12695), (6515, 10156)]