109638920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{66853}}^1$

素因数の和:66905

約数の個数: 32

約数和(自身を含む): 252708120

約数和(自身を除く): 143069200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 66853, 133706, 267412, 334265, 534824, 668530, 1337060, 2674120, 2740973, 5481946, 10963892, 13704865, 21927784, 27409730, 54819460, 109638920]

約数ペア:

[(1, 109638920), (2, 54819460), (4, 27409730), (5, 21927784), (8, 13704865), (10, 10963892), (20, 5481946), (40, 2740973), (41, 2674120), (82, 1337060), (164, 668530), (205, 534824), (328, 334265), (410, 267412), (820, 133706), (1640, 66853)]