87706880

素因数分解:

$2^8\times 5^1\times {\mathrm{68521}}^1$

素因数の和:68542

約数の個数: 36

約数和(自身を含む): 210088452

約数和(自身を除く): 122381572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 68521, 137042, 274084, 342605, 548168, 685210, 1096336, 1370420, 2192672, 2740840, 4385344, 5481680, 8770688, 10963360, 17541376, 21926720, 43853440, 87706880]

約数ペア:

[(1, 87706880), (2, 43853440), (4, 21926720), (5, 17541376), (8, 10963360), (10, 8770688), (16, 5481680), (20, 4385344), (32, 2740840), (40, 2192672), (64, 1370420), (80, 1096336), (128, 685210), (160, 548168), (256, 342605), (320, 274084), (640, 137042), (1280, 68521)]