127693760

素因数分解:

$2^6\times 5^1\times {\mathrm{399043}}^1$

素因数の和:399060

約数の個数: 28

約数和(自身を含む): 304071528

約数和(自身を除く): 176377768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 399043, 798086, 1596172, 1995215, 3192344, 3990430, 6384688, 7980860, 12769376, 15961720, 25538752, 31923440, 63846880, 127693760]

約数ペア:

[(1, 127693760), (2, 63846880), (4, 31923440), (5, 25538752), (8, 15961720), (10, 12769376), (16, 7980860), (20, 6384688), (32, 3990430), (40, 3192344), (64, 1995215), (80, 1596172), (160, 798086), (320, 399043)]