40695980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{811}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 92626464

約数和(自身を除く): 51930484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 811, 965, 1622, 1930, 2509, 3244, 3860, 4055, 5018, 8110, 10036, 10543, 12545, 16220, 21086, 25090, 42172, 50180, 52715, 105430, 156523, 210860, 313046, 626092, 782615, 1565230, 2034799, 3130460, 4069598, 8139196, 10173995, 20347990, 40695980]

約数ペア:

[(1, 40695980), (2, 20347990), (4, 10173995), (5, 8139196), (10, 4069598), (13, 3130460), (20, 2034799), (26, 1565230), (52, 782615), (65, 626092), (130, 313046), (193, 210860), (260, 156523), (386, 105430), (772, 52715), (811, 50180), (965, 42172), (1622, 25090), (1930, 21086), (2509, 16220), (3244, 12545), (3860, 10543), (4055, 10036), (5018, 8110)]