71989280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40903}}^1$

素因数の和:40929

約数の個数: 48

約数和(自身を含む): 185540544

約数和(自身を除く): 113551264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 40903, 81806, 163612, 204515, 327224, 409030, 449933, 654448, 818060, 899866, 1308896, 1636120, 1799732, 2249665, 3272240, 3599464, 4499330, 6544480, 7198928, 8998660, 14397856, 17997320, 35994640, 71989280]

約数ペア:

[(1, 71989280), (2, 35994640), (4, 17997320), (5, 14397856), (8, 8998660), (10, 7198928), (11, 6544480), (16, 4499330), (20, 3599464), (22, 3272240), (32, 2249665), (40, 1799732), (44, 1636120), (55, 1308896), (80, 899866), (88, 818060), (110, 654448), (160, 449933), (176, 409030), (220, 327224), (352, 204515), (440, 163612), (880, 81806), (1760, 40903)]