71749280

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8461}}^1$

素因数の和:8529

約数の個数: 48

約数和(自身を含む): 172726344

約数和(自身を除く): 100977064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8461, 8480, 16922, 33844, 42305, 67688, 84610, 135376, 169220, 270752, 338440, 448433, 676880, 896866, 1353760, 1793732, 2242165, 3587464, 4484330, 7174928, 8968660, 14349856, 17937320, 35874640, 71749280]

約数ペア:

[(1, 71749280), (2, 35874640), (4, 17937320), (5, 14349856), (8, 8968660), (10, 7174928), (16, 4484330), (20, 3587464), (32, 2242165), (40, 1793732), (53, 1353760), (80, 896866), (106, 676880), (160, 448433), (212, 338440), (265, 270752), (424, 169220), (530, 135376), (848, 84610), (1060, 67688), (1696, 42305), (2120, 33844), (4240, 16922), (8461, 8480)]