28250720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9293}}^1$

素因数の和:9327

約数の個数: 48

約数和(自身を含む): 70262640

約数和(自身を除く): 42011920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9293, 18586, 37172, 46465, 74344, 92930, 148688, 176567, 185860, 297376, 353134, 371720, 706268, 743440, 882835, 1412536, 1486880, 1765670, 2825072, 3531340, 5650144, 7062680, 14125360, 28250720]

約数ペア:

[(1, 28250720), (2, 14125360), (4, 7062680), (5, 5650144), (8, 3531340), (10, 2825072), (16, 1765670), (19, 1486880), (20, 1412536), (32, 882835), (38, 743440), (40, 706268), (76, 371720), (80, 353134), (95, 297376), (152, 185860), (160, 176567), (190, 148688), (304, 92930), (380, 74344), (608, 46465), (760, 37172), (1520, 18586), (3040, 9293)]