40239710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2137}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 83125440

約数和(自身を除く): 42885730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 269, 538, 1345, 1883, 2137, 2690, 3766, 4274, 9415, 10685, 14959, 18830, 21370, 29918, 74795, 149590, 574853, 1149706, 2874265, 4023971, 5748530, 8047942, 20119855, 40239710]

約数ペア:

[(1, 40239710), (2, 20119855), (5, 8047942), (7, 5748530), (10, 4023971), (14, 2874265), (35, 1149706), (70, 574853), (269, 149590), (538, 74795), (1345, 29918), (1883, 21370), (2137, 18830), (2690, 14959), (3766, 10685), (4274, 9415)]