65626840

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5923}}^1$

素因数の和:6211

約数の個数: 32

約数和(自身を含む): 148218480

約数和(自身を除く): 82591640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 5923, 11080, 11846, 23692, 29615, 47384, 59230, 118460, 236920, 1640671, 3281342, 6562684, 8203355, 13125368, 16406710, 32813420, 65626840]

約数ペア:

[(1, 65626840), (2, 32813420), (4, 16406710), (5, 13125368), (8, 8203355), (10, 6562684), (20, 3281342), (40, 1640671), (277, 236920), (554, 118460), (1108, 59230), (1385, 47384), (2216, 29615), (2770, 23692), (5540, 11846), (5923, 11080)]