71049520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28649}}^1$

素因数の和:28693

約数の個数: 40

約数和(自身を含む): 170524800

約数和(自身を除く): 99475280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28649, 57298, 114596, 143245, 229192, 286490, 458384, 572980, 888119, 1145960, 1776238, 2291920, 3552476, 4440595, 7104952, 8881190, 14209904, 17762380, 35524760, 71049520]

約数ペア:

[(1, 71049520), (2, 35524760), (4, 17762380), (5, 14209904), (8, 8881190), (10, 7104952), (16, 4440595), (20, 3552476), (31, 2291920), (40, 1776238), (62, 1145960), (80, 888119), (124, 572980), (155, 458384), (248, 286490), (310, 229192), (496, 143245), (620, 114596), (1240, 57298), (2480, 28649)]