31964840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 76507200

約数和(自身を除く): 44542360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 307, 380, 548, 614, 685, 760, 1096, 1228, 1370, 1535, 2456, 2603, 2740, 3070, 5206, 5480, 5833, 6140, 10412, 11666, 12280, 13015, 20824, 23332, 26030, 29165, 42059, 46664, 52060, 58330, 84118, 104120, 116660, 168236, 210295, 233320, 336472, 420590, 799121, 841180, 1598242, 1682360, 3196484, 3995605, 6392968, 7991210, 15982420, 31964840]

約数ペア:

[(1, 31964840), (2, 15982420), (4, 7991210), (5, 6392968), (8, 3995605), (10, 3196484), (19, 1682360), (20, 1598242), (38, 841180), (40, 799121), (76, 420590), (95, 336472), (137, 233320), (152, 210295), (190, 168236), (274, 116660), (307, 104120), (380, 84118), (548, 58330), (614, 52060), (685, 46664), (760, 42059), (1096, 29165), (1228, 26030), (1370, 23332), (1535, 20824), (2456, 13015), (2603, 12280), (2740, 11666), (3070, 10412), (5206, 6140), (5480, 5833)]