2008453640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{749423}}^1$

素因数の和:749501

約数の個数: 32

約数和(自身を含む): 4586474880

約数和(自身を除く): 2578021240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 749423, 1498846, 2997692, 3747115, 5995384, 7494230, 14988460, 29976920, 50211341, 100422682, 200845364, 251056705, 401690728, 502113410, 1004226820, 2008453640]

約数ペア:

[(1, 2008453640), (2, 1004226820), (4, 502113410), (5, 401690728), (8, 251056705), (10, 200845364), (20, 100422682), (40, 50211341), (67, 29976920), (134, 14988460), (268, 7494230), (335, 5995384), (536, 3747115), (670, 2997692), (1340, 1498846), (2680, 749423)]