158869640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{209039}}^1$

素因数の和:209069

約数の個数: 32

約数和(自身を含む): 376272000

約数和(自身を除く): 217402360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 209039, 418078, 836156, 1045195, 1672312, 2090390, 3971741, 4180780, 7943482, 8361560, 15886964, 19858705, 31773928, 39717410, 79434820, 158869640]

約数ペア:

[(1, 158869640), (2, 79434820), (4, 39717410), (5, 31773928), (8, 19858705), (10, 15886964), (19, 8361560), (20, 7943482), (38, 4180780), (40, 3971741), (76, 2090390), (95, 1672312), (152, 1045195), (190, 836156), (380, 418078), (760, 209039)]