40189490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2789}}^1$

素因数の和:2938

約数の個数: 32

約数和(自身を含む): 79548480

約数和(自身を除く): 39358990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2789, 2882, 5578, 7205, 13945, 14410, 27890, 30679, 61358, 153395, 306790, 365359, 730718, 1826795, 3653590, 4018949, 8037898, 20094745, 40189490]

約数ペア:

[(1, 40189490), (2, 20094745), (5, 8037898), (10, 4018949), (11, 3653590), (22, 1826795), (55, 730718), (110, 365359), (131, 306790), (262, 153395), (655, 61358), (1310, 30679), (1441, 27890), (2789, 14410), (2882, 13945), (5578, 7205)]