2620804520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{25171}}^1$

素因数の和:25338

約数の個数: 64

約数和(自身を含む): 6252724800

約数和(自身を除く): 3631920280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 380, 548, 685, 760, 1096, 1370, 2603, 2740, 5206, 5480, 10412, 13015, 20824, 25171, 26030, 50342, 52060, 100684, 104120, 125855, 201368, 251710, 478249, 503420, 956498, 1006840, 1912996, 2391245, 3448427, 3825992, 4782490, 6896854, 9564980, 13793708, 17242135, 19129960, 27587416, 34484270, 65520113, 68968540, 131040226, 137937080, 262080452, 327600565, 524160904, 655201130, 1310402260, 2620804520]

約数ペア:

[(1, 2620804520), (2, 1310402260), (4, 655201130), (5, 524160904), (8, 327600565), (10, 262080452), (19, 137937080), (20, 131040226), (38, 68968540), (40, 65520113), (76, 34484270), (95, 27587416), (137, 19129960), (152, 17242135), (190, 13793708), (274, 9564980), (380, 6896854), (548, 4782490), (685, 3825992), (760, 3448427), (1096, 2391245), (1370, 1912996), (2603, 1006840), (2740, 956498), (5206, 503420), (5480, 478249), (10412, 251710), (13015, 201368), (20824, 125855), (25171, 104120), (26030, 100684), (50342, 52060)]