81718540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3011}}^1$

素因数の和:3102

約数の個数: 48

約数和(自身を含む): 182165760

約数和(自身を除く): 100447220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 460, 590, 1180, 1357, 2714, 3011, 5428, 6022, 6785, 12044, 13570, 15055, 27140, 30110, 60220, 69253, 138506, 177649, 277012, 346265, 355298, 692530, 710596, 888245, 1385060, 1776490, 3552980, 4085927, 8171854, 16343708, 20429635, 40859270, 81718540]

約数ペア:

[(1, 81718540), (2, 40859270), (4, 20429635), (5, 16343708), (10, 8171854), (20, 4085927), (23, 3552980), (46, 1776490), (59, 1385060), (92, 888245), (115, 710596), (118, 692530), (230, 355298), (236, 346265), (295, 277012), (460, 177649), (590, 138506), (1180, 69253), (1357, 60220), (2714, 30110), (3011, 27140), (5428, 15055), (6022, 13570), (6785, 12044)]