80437970

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 147692160

約数和(自身を除く): 67254190

約数列:

[1, 2, 5, 10, 73, 146, 251, 365, 439, 502, 730, 878, 1255, 2195, 2510, 4390, 18323, 32047, 36646, 64094, 91615, 110189, 160235, 183230, 220378, 320470, 550945, 1101890, 8043797, 16087594, 40218985, 80437970]

約数ペア:

[(1, 80437970), (2, 40218985), (5, 16087594), (10, 8043797), (73, 1101890), (146, 550945), (251, 320470), (365, 220378), (439, 183230), (502, 160235), (730, 110189), (878, 91615), (1255, 64094), (2195, 36646), (2510, 32047), (4390, 18323)]