71597440

素因数分解:

$2^7\times 5^1\times {\mathrm{111871}}^1$

素因数の和:111890

約数の個数: 32

約数和(自身を含む): 171164160

約数和(自身を除く): 99566720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111871, 223742, 447484, 559355, 894968, 1118710, 1789936, 2237420, 3579872, 4474840, 7159744, 8949680, 14319488, 17899360, 35798720, 71597440]

約数ペア:

[(1, 71597440), (2, 35798720), (4, 17899360), (5, 14319488), (8, 8949680), (10, 7159744), (16, 4474840), (20, 3579872), (32, 2237420), (40, 1789936), (64, 1118710), (80, 894968), (128, 559355), (160, 447484), (320, 223742), (640, 111871)]