16346840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 39247200

約数和(自身を除く): 22900360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 157, 190, 274, 314, 380, 548, 628, 685, 760, 785, 1096, 1256, 1370, 1570, 2603, 2740, 2983, 3140, 5206, 5480, 5966, 6280, 10412, 11932, 13015, 14915, 20824, 21509, 23864, 26030, 29830, 43018, 52060, 59660, 86036, 104120, 107545, 119320, 172072, 215090, 408671, 430180, 817342, 860360, 1634684, 2043355, 3269368, 4086710, 8173420, 16346840]

約数ペア:

[(1, 16346840), (2, 8173420), (4, 4086710), (5, 3269368), (8, 2043355), (10, 1634684), (19, 860360), (20, 817342), (38, 430180), (40, 408671), (76, 215090), (95, 172072), (137, 119320), (152, 107545), (157, 104120), (190, 86036), (274, 59660), (314, 52060), (380, 43018), (548, 29830), (628, 26030), (685, 23864), (760, 21509), (785, 20824), (1096, 14915), (1256, 13015), (1370, 11932), (1570, 10412), (2603, 6280), (2740, 5966), (2983, 5480), (3140, 5206)]