65330560

素因数分解:

$2^7\times 5^1\times {\mathrm{102079}}^1$

素因数の和:102098

約数の個数: 32

約数和(自身を含む): 156182400

約数和(自身を除く): 90851840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 102079, 204158, 408316, 510395, 816632, 1020790, 1633264, 2041580, 3266528, 4083160, 6533056, 8166320, 13066112, 16332640, 32665280, 65330560]

約数ペア:

[(1, 65330560), (2, 32665280), (4, 16332640), (5, 13066112), (8, 8166320), (10, 6533056), (16, 4083160), (20, 3266528), (32, 2041580), (40, 1633264), (64, 1020790), (80, 816632), (128, 510395), (160, 408316), (320, 204158), (640, 102079)]