66420160

素因数分解:

$2^6\times 5^1\times {\mathrm{207563}}^1$

素因数の和:207580

約数の個数: 28

約数和(自身を含む): 158163768

約数和(自身を除く): 91743608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 207563, 415126, 830252, 1037815, 1660504, 2075630, 3321008, 4151260, 6642016, 8302520, 13284032, 16605040, 33210080, 66420160]

約数ペア:

[(1, 66420160), (2, 33210080), (4, 16605040), (5, 13284032), (8, 8302520), (10, 6642016), (16, 4151260), (20, 3321008), (32, 2075630), (40, 1660504), (64, 1037815), (80, 830252), (160, 415126), (320, 207563)]