86318260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19889}}^1$

素因数の和:19936

約数の個数: 48

約数和(自身を含む): 213857280

約数和(自身を除く): 127539020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19889, 39778, 79556, 99445, 139223, 198890, 278446, 397780, 556892, 616559, 696115, 1233118, 1392230, 2466236, 2784460, 3082795, 4315913, 6165590, 8631826, 12331180, 17263652, 21579565, 43159130, 86318260]

約数ペア:

[(1, 86318260), (2, 43159130), (4, 21579565), (5, 17263652), (7, 12331180), (10, 8631826), (14, 6165590), (20, 4315913), (28, 3082795), (31, 2784460), (35, 2466236), (62, 1392230), (70, 1233118), (124, 696115), (140, 616559), (155, 556892), (217, 397780), (310, 278446), (434, 198890), (620, 139223), (868, 99445), (1085, 79556), (2170, 39778), (4340, 19889)]