27826640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18307}}^1$

素因数の和:18339

約数の個数: 40

約数和(自身を含む): 68105760

約数和(自身を除く): 40279120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18307, 36614, 73228, 91535, 146456, 183070, 292912, 347833, 366140, 695666, 732280, 1391332, 1464560, 1739165, 2782664, 3478330, 5565328, 6956660, 13913320, 27826640]

約数ペア:

[(1, 27826640), (2, 13913320), (4, 6956660), (5, 5565328), (8, 3478330), (10, 2782664), (16, 1739165), (19, 1464560), (20, 1391332), (38, 732280), (40, 695666), (76, 366140), (80, 347833), (95, 292912), (152, 183070), (190, 146456), (304, 91535), (380, 73228), (760, 36614), (1520, 18307)]