25364840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14747}}^1$

素因数の和:14801

約数の個数: 32

約数和(自身を含む): 58402080

約数和(自身を除く): 33037240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14747, 29494, 58988, 73735, 117976, 147470, 294940, 589880, 634121, 1268242, 2536484, 3170605, 5072968, 6341210, 12682420, 25364840]

約数ペア:

[(1, 25364840), (2, 12682420), (4, 6341210), (5, 5072968), (8, 3170605), (10, 2536484), (20, 1268242), (40, 634121), (43, 589880), (86, 294940), (172, 147470), (215, 117976), (344, 73735), (430, 58988), (860, 29494), (1720, 14747)]