40351888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 81021600

約数和(自身を除く): 40669712

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 659, 688, 712, 1318, 1424, 2636, 3827, 5272, 7654, 10544, 15308, 28337, 30616, 56674, 58651, 61232, 113348, 117302, 226696, 234604, 453392, 469208, 938416, 2521993, 5043986, 10087972, 20175944, 40351888]

約数ペア:

[(1, 40351888), (2, 20175944), (4, 10087972), (8, 5043986), (16, 2521993), (43, 938416), (86, 469208), (89, 453392), (172, 234604), (178, 226696), (344, 117302), (356, 113348), (659, 61232), (688, 58651), (712, 56674), (1318, 30616), (1424, 28337), (2636, 15308), (3827, 10544), (5272, 7654)]