40648760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23633}}^1$

素因数の和:23687

約数の個数: 32

約数和(自身を含む): 93590640

約数和(自身を除く): 52941880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23633, 47266, 94532, 118165, 189064, 236330, 472660, 945320, 1016219, 2032438, 4064876, 5081095, 8129752, 10162190, 20324380, 40648760]

約数ペア:

[(1, 40648760), (2, 20324380), (4, 10162190), (5, 8129752), (8, 5081095), (10, 4064876), (20, 2032438), (40, 1016219), (43, 945320), (86, 472660), (172, 236330), (215, 189064), (344, 118165), (430, 94532), (860, 47266), (1720, 23633)]